Java Foundations StackADT-java --- - Defines the interface to a stack.docx
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Java Foundations StackADT.java /** * Defines the interface to a stack collection. * * @author Java Foundations * @version 4.0 */ public interface StackADT<T> { /** * Adds the specified element to the top of this stack. * * @param element element to be pushed onto the stack */ public void push(T element); /** * Removes and returns the top element from this stack. * * @return the element removed from the stack * @throws EmptyCollectionException if the stack is empty */ public T pop(); /** * Returns the top element of this stack without removing it from the stack. * * @return the element on top of the stack. It is not removed from the stack * @throws EmptyCollectionException if the stack is empty */ public T peek(); /** * Returns true if this stack contains no elements. * * @return true if the stack is empty, false if the stack is not empty */ public boolean isEmpty(); /** * Returns the number of elements in this stack. * * @return the number of elements in the stack */ public int size(); } QueueADT.java /** * QueueADT defines the interface to a queue collection. * * @author Java Foundation * @version 4.0 */ public interface QueueADT<T> { /** * Adds one element to the rear of this queue. * * @param element the element to be added to the rear of the queue */ public void enqueue(T element); /** * Removes and returns the element at the front of this queue. * * @return the element at the front of the queue * @throws EmptyCollectionException if the queue is empty */ public T dequeue(); /** * Returns without removing the element at the front of this queue. * * @return the first element in the queue * @throws EmptyCollectionException if the queue is empty */ public T first(); /** * Returns true if this queue contains no elements. * * @return true if the queue is empty, false if the queue is not empty */ public boolean isEmpty(); /** * Returns the number of elements in this queue. * * @return the number of elements in the queue */ public int size(); } LinkedDeque.java public class LinkedDeque<T> implements QueueADT<T>, StackADT<T>, DequeADT<T> { // inner class for a double linked list node private class DNode<T> { private T element; private DNode<T> prev, next; } // data fields for the LinkedDeque class private DNode<T> front, rear; private int size; // deque interface methods @Override public void addFirst(T element) { // create a new node and set it up DNode<T> newNode = new DNode<T>(); newNode.element = element; // from param to new node obj newNode.prev = newNode.next = null; if(this.isEmpty()) { // we are making the only node in the deque this.rear = this.front = newNode; } else { // there already exists a new node // so, put the new node before the front node newNode.next = this.front; this.front.prev = newNode; this.front = newNode; } this.size++; } @Override public T removeFirst() { T grabbedElt = this.getFirst(); // checks for empty for us if.
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1 The goal is to implement DataStructuresArrayStack accor.pdf
1 The goal is to implement DataStructuresArrayStack accor.pdfsaradashata The goal is to implement a Stack data structure using an array to store elements according to the StackADT interface. The ArrayStack class defines fields for the index of the top element and a generic array buffer. It must include JavaDoc and pass tests to be graded.
Modifications highlighted in bold lettersDropOutStack.javaim.pdf
Modifications highlighted in bold lettersDropOutStack.javaim.pdfLalkamal2 //Modifications highlighted in bold letters
//DropOutStack.java
import java.util.Arrays;
public class DropOutStack {
/**
* Defines the interface to a stack collection.
*
* @author Java Foundations
* @version 4.0
*/
public interface StackADT {
/**
* Adds the specified element to the top of this stack.
*
* @param element
* element to be pushed onto the stack
*/
public void push(T element);
/**
* Removes and returns the top element from this stack.
*
* @return the element removed from the stack
*/
public T pop();
/**
* Returns without removing the top element of this stack.
*
* @return the element on top of the stack
*/
public T peek();
/**
* Returns true if this stack contains no elements.
*
* @return true if the stack is empty
*/
public boolean isEmpty();
/**
* Returns the number of elements in this stack.
*
* @return the number of elements in the stack
*/
public int size();
/**
* Returns a string representation of this stack.
*
* @return a string representation of the stack
*/
public String toString();
}
/**
* Represents the situation in which a collection is empty.
*
* @author Java Foundations
* @version 4.0
*/
public static class EmptyCollectionException extends RuntimeException {
/**
* Sets up this exception with an appropriate message.
*
* @param collection
* the name of the collection
*/
public EmptyCollectionException(String collection) {
super(\"The \" + collection + \" is empty.\");
}
}
/**
* Program entry point for stack testing.
*
* @param args
* Argument list.
*/
public static void main(String[] args) {
ArrayDropOutStack stack = new ArrayDropOutStack(4);
System.out.println(\"DROP-OUT STACK TESTING\");
stack.push(1);
stack.push(2);
stack.push(3);
stack.push(4);
System.out.println(\"Stack : \"+stack.toString());
System.out.println(\"pushing 5 element \");
stack.push(5);
System.out.println(\"Now stack elements\");
System.out.println(stack.toString());
System.out.println(\"The size of the stack is: \" + stack.size());
if (!stack.isEmpty())
System.out.println(\"The stack contains:\ \" + stack.toString());
stack.pop();
System.out.println(\"poping element 5\"+stack.toString());
System.out.println(\"The size of the stack is: \" + stack.size());
System.out.println(\"pushing 7 element \");
stack.push(7);
System.out.println(\"Now stack elements\");
System.out.println(stack.toString());
System.out.println(\"pushing 8 element \");
stack.push(8);
System.out.println(\"Now stack elements\");
System.out.println(stack.toString());
if (!stack.isEmpty())
System.out.println(\"The stack contains:\ \" + stack.toString());
}
/**
* An array implementation of a stack in which the bottom of the stack is
* fixed at index 0.
*
* @author Java Foundations
* @version 4.0
*/
public static class ArrayDropOutStack implements StackADT {
private final static int DEFAULT_CAPACITY = 100;
private int top;
private T[] stack;
/**
* Creates an empty stack using the default capacity.
*/
public ArrayDropOutStack() {
this(DEFAULT_CAPACITY);
}
/**
* Creates an empty stack using.
Hi,I have added the methods and main class as per your requirement.pdf
Hi,I have added the methods and main class as per your requirement.pdfannaelctronics Hi,
I have added the methods and main class as per your requirement. it is working fine now.
Highlighted the code changes.
MyLinkedListTest.java
public class MyLinkedListTest {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
MyLinkedList list = new MyLinkedList();
list.addFirst(\"AAAAA\");
list.add(\"1\");
list.add(\"2\");
list.add(\"3\");
list.addLast(\"ZZZZZ\");
System.out.println(\"Linked List Elements : \"+list.toString());
System.out.println(\"First element: \"+list.getFirst());
System.out.println(\"Second element: \"+list.getLast());
System.out.println(\"Removed First Element: \"+list.removeFirst());
System.out.println(\"Now Linked List Elements : \"+list.toString());
System.out.println(\"Removed Last Element: \"+list.removeLast());
System.out.println(\"Now Linked List Elements : \"+list.toString());
System.out.println(\"Removed all element: \");
list.removeAll();
System.out.println(\"Now Linked List Elements : \"+list.toString());
}
}
MyLinkedList.java
public class MyLinkedList extends MyAbstractList {
private Node head, tail;
/** Create a default list */
public MyLinkedList() {
}
/** Create a list from an array of objects */
public MyLinkedList(E[] objects) {
super(objects);
}
/** Return the head element in the list */
public E getFirst() {
if (size == 0) {
return null;
}
else {
return (E)head.element;
}
}
/** Return the last element in the list */
public E getLast() {
if (size == 0) {
return null;
}
else {
return (E)tail.element;
}
}
/** Add an element to the beginning of the list */
public void addFirst(E e) {
Node newNode = new Node(e); // Create a new node
newNode.next = head; // link the new node with the head
head = newNode; // head points to the new node
size++; // Increase list size
if (tail == null) // the new node is the only node in list
tail = head;
}
/** Add an element to the end of the list */
public void addLast(E e) {
Node newNode = new Node(e); // Create a new for element e
if (tail == null) {
head = tail = newNode; // The new node is the only node in list
}
else {
tail.next = newNode; // Link the new with the last node
tail = tail.next; // tail now points to the last node
}
size++; // Increase size
}
/** Add a new element at the specified index in this list
* The index of the head element is 0 */
public void add(int index, E e) {
if (index == 0) {
addFirst(e);
}
else if (index >= size) {
addLast(e);
}
else {
Node current = head;
for (int i = 1; i < index; i++) {
current = current.next;
}
Node temp = current.next;
current.next = new Node(e);
(current.next).next = temp;
size++;
}
}
/** Remove the head node and
* return the object that is contained in the removed node. */
public E removeFirst() {
if (size == 0) {
return null;
}
else {
Node temp = head;
head = head.next;
size--;
if (head == null) {
tail = null;
}
return (E)temp.element;
}
}
/** Remove all elements from list */
public void removeAll() {
while(true) {
if (size == 0) {
break;
}
else {
Node temp = head;
head =.
we using java code DynamicArrayjava Replace all .pdf
we using java code DynamicArrayjava Replace all .pdfgudduraza28 we using java code /** * DynamicArray.java * * Replace all //TODO tags with your code * * Note
that below the "//TODO" tag there may be * something like "return null;", "return 0;", etc. * That line
is just "stubbed in" so the class * will compile. When you add your code (one or many *
statements), you will want to delete the "stubbed" line. * By "stubbed in" we mean "mocked" or
"faked in" temporarily. * * When testing, construct using the static factory methods:
DynamicList.newEmpty() DynamicList.fromGrowthFactor(growthFactor)
DynamicList.from(arrayElements) */ package model.list; import java.lang.reflect.Array; import
java.util.concurrent.atomic.AtomicInteger; import java.util.function.BiFunction; import
java.util.function.Consumer; import java.util.function.Function; import
model.linearpub.DynamicList; import model.linearpub.StructureIterator; public class
DynamicArray<E> implements DynamicList<E> { //--------------------------------- // Instance Variables
//TODO - declare instance variable(s) //--------------------------------- // Private Constructors /**
Constructs and returns new DynamicArray (no args constructor) */ private DynamicArray() {
this(defaultGrowthFactor()); } /** Constructs and returns new DynamicArray with "aGrowthFactor"
*/ private DynamicArray(double aGrowthFactor) { //TODO -- this is the constructor that should
//initialize the dynamic array as needed } //------------------------------------------------ public static double
defaultGrowthFactor() { //TODO - replace 0 with a good growth factor return 0; } protected static int
defaultInitialCapacity() { //TODO - replace 0 with a good initial capacity return 0; } //--------------------
List Statistics --------------------- /** * Return number of elements in this list. */ @Override public int
size() { //TODO return 0; } /** * Return true is this list contains no elements. */ @Override public
boolean isEmpty() { //TODO return false; } //------------------ Accessing Elements -------------------- /**
* Return element at given index. * Throws IndexOutOfBoundsException if passed index is invalid.
*/ @Override public E get(int index) { //TODO return null; } /** * Return first element * Throws
RuntimeException if list is empty */ @Override public E first() { //TODO return null; } /** * Return
last element * Throws RuntimeException if list is empty */ @Override public E last() { //TODO
return null; } /** * Return a new list containing the elements of this list * between the given index
"start" (inclusive) and * the given index "stop" (exclusive). * Throws IndexOutOfBoundsException if
either passed index is invalid. */ @Override public DynamicList<E> subList(int start, int stop) {
//TODO return null; } /** * Return index of first matching element (where searchFct outputs true) *
Return -1 if no match * Example usage (first list of integers, then employees): * index =
list.find(eaInteger -> eaInteger == 10); * index = employeeList.find(employee -> employee
.getFirstName().equals("Kofi.
So I have this code(StackInAllSocks) and I implemented the method but.pdf
So I have this code(StackInAllSocks) and I implemented the method but.pdfaksahnan So I have this code( StackInAllSocks ) and I implemented the method but I can't seem to figure
out why there isn't anything showing up on the console. It should pop,peek and push b using the
methods from the class called ArrayListTen . The ArrayListTen works fine and compiles the
tested code of Rigth# but for StackInAllSocks it doesn't complete at all. note that file
VodeDodeis not to be changed is just a Node storage area of the array list.
Did I implement the method on StackInAllSocks correctly? if so, should I not use the method
from the ArrayListTen .?
__________________________________________________________________________
: the code is : VodeDodeis
class VodeDode<T> {
private T data;
private VodeDode<T> next;
private VodeDode<T> prev;
public VodeDode(T data) {
this.data = data;
this.next = null;
this.prev = null;}
public T getData() {
return data;}
public void setData(T data) {
this.data = data;}
public VodeDode<T> getNext() {
return this.next;}
public void setNext(VodeDode<T> next) {
this.next = next;}
public VodeDode<T> getPrev() {
return this.prev;}
public void setPrev(VodeDode<T> prev) {
this.prev = prev;}
@Override
public String toString() {
return data.toString();}}
_________________________________________________________________________
CODE that works fine called ArrayListTen:
import java.util.Iterator;
public class ArrayListTen<T> implements Iterable<T> {
private VodeDode<T> head; //beginning of list
private VodeDode<T> tail; //end of list
private int size;
private VodeDode<T> new_item;
public ArrayListTen( ){
this.head = null;
this.tail = null;
this.size = 0;}
public int lenght() {
return size ;}
public T getBegin() {
if (this.head != null) {
return head.getData();}
else { return null;}}
public void addBegin(T value) {
VodeDode<T> newVodeDode =new VodeDode<T>(value);
if (this.head== null) {
head = newVodeDode;
tail =newVodeDode;}
else {VodeDode<T> temp = head;
head = newVodeDode;
head.setNext(temp);}
size++;}
public T removeBegin() {
if(this.head == null) {
return null;}
else {T current = head.getData();
if (tail == head) {
tail = null;
head = null;
} else {
head = head.getNext();
head.setPrev(null);}size--;
return current;}}
public T getEnd() {
if (tail != null) {
return tail.getData();
} else {
return null;}}
public void addEnd(T value) {
VodeDode<T> newVodeDode = new VodeDode<T>(value);
if (this.tail == null) {
head = newVodeDode;
tail = newVodeDode;
} else {
newVodeDode.setPrev(tail);
tail.setNext(newVodeDode);
tail = newVodeDode;}
size++;}
public T removeEnd() {
if(this.tail == null) {
return null;}
else {
T current = tail.getData();//was head.
if (head == tail) {
head = null;
tail = null;
} else {
tail = tail.getPrev();
tail.setNext(null);}
size--;
return current;}}
public T removeBN(T value) {
VodeDode<T> currVodeDode = head;
VodeDode<T> prevVodeDode = null;
while(currVodeDode != null){
if(currVodeDode.getData().equals(value)){
if(prevVodeDode != null){
prevVodeDode.setNext(currVodeDode.getNext());}
else{
head = curr.
please read the steps below and it will tell you what we usi.pdf
please read the steps below and it will tell you what we usi.pdfaggarwalopticalsco please read the steps below and it will tell you what we using
/**
* DynamicArray.java
*
* Replace all //TODO tags with your code
*
* Note that below the "//TODO" tag there may be
* something like "return null;", "return 0;", etc.
* That line is just "stubbed in" so the class
* will compile. When you add your code (one or many
* statements), you will want to delete the "stubbed" line.
* By "stubbed in" we mean "mocked" or "faked in" temporarily.
*
* When testing, construct using the static factory methods:
DynamicList.newEmpty()
DynamicList.fromGrowthFactor(growthFactor)
DynamicList.from(arrayElements)
*/
package model.list;
import java.lang.reflect.Array;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import model.linearpub.DynamicList;
import model.linearpub.StructureIterator;
public class DynamicArray<E> implements DynamicList<E> {
//---------------------------------
// Instance Variables
//TODO - declare instance variable(s)
//---------------------------------
// Private Constructors
/** Constructs and returns new DynamicArray (no args constructor) */
private DynamicArray() {
this(defaultGrowthFactor());
}
/** Constructs and returns new DynamicArray with "aGrowthFactor" */
private DynamicArray(double aGrowthFactor) {
//TODO -- this is the constructor that should
//initialize the dynamic array as needed
}
//------------------------------------------------
public static double defaultGrowthFactor() {
//TODO - replace 0 with a good growth factor
return 0;
}
protected static int defaultInitialCapacity() {
//TODO - replace 0 with a good initial capacity
return 0;
}
//-------------------- List Statistics ---------------------
/**
* Return number of elements in this list.
*/
@Override
public int size() {
//TODO
return 0;
}
/**
* Return true is this list contains no elements.
*/
@Override
public boolean isEmpty() {
//TODO
return false;
}
//------------------ Accessing Elements --------------------
/**
* Return element at given index.
* Throws IndexOutOfBoundsException if passed index is invalid.
*/
@Override
public E get(int index) {
//TODO
return null;
}
/**
* Return first element
* Throws RuntimeException if list is empty
*/
@Override
public E first() {
//TODO
return null;
}
/**
* Return last element
* Throws RuntimeException if list is empty
*/
@Override
public E last() {
//TODO
return null;
}
/**
* Return a new list containing the elements of this list
* between the given index "start" (inclusive) and
* the given index "stop" (exclusive).
* Throws IndexOutOfBoundsException if either passed index is invalid.
*/
@Override
public DynamicList<E> subList(int start, int stop) {
//TODO
return null;
}
/**
* Return index of first matching element (where searchFct outputs true)
* Return -1 if no match
* Example usage (first list of integers, then employees):
* index = list.find(eaInteger -> eaInteger == 10);
* index = employeeList.find(emplo.
StackInterface An interface for the ADT stack. Do not modif.pdf
StackInterface An interface for the ADT stack. Do not modif.pdfARCHANASTOREKOTA StackInterface
/**
An interface for the ADT stack.
Do not modify this file
*/
package PJ2;
public interface StackInterface
{
/** Gets the current number of data in this stack.
@return the integer number of entries currently in the stack*/
public int size();
/** Adds a new data to the top of this stack.
@param aData an object to be added to the stack */
public void push(T aData);
/** Removes and returns this stack\'s top data.
@return either the object at the top of the stack or,
if the stack is empty before the operation, null */
public T pop();
/** Retrieves this stack\'s top data.
@return either the data at the top of the stack or
null if the stack is empty */
public T peek();
/** Detects whether this stack is empty.
@return true if the stack is empty */
public boolean empty();
/** Removes all data from this stack */
public void clear();
} // end StackInterface
SimpleLinkedStack.java
/**
A class of stacks whose entries are stored in a chain of nodes.
Implement all methods in SimpleLinkedStack class using
the inner Node class.
Main Reference : text book or class notes
Do not change or add data fields
Do not add new methods
You may access Node object fields directly, i.e. data and next
*/
package PJ2;
public class SimpleLinkedStack implements StackInterface
{
// Data fields
private Node topNode; // references the first node in the chain
private int count; // number of data in this stack
public SimpleLinkedStack()
{
// add stataments
} // end default constructor
public void push(T newData)
{
// add stataments
} // end push
public T peek()
{
// add stataments
return null;
} // end peek
public T pop()
{
// add stataments
return null;
} // end pop
public boolean empty()
{
// add stataments
return false;
} // end empty
public int size()
{
// add stataments
return -1;
} // end isEmpty
public void clear()
{
// add stataments
} // end clear
public String toString()
{
// add stataments
// note: data class in stack must implement toString() method
// return a list of data in Stack, separate them with \',\'
return \"\";
}
/****************************************************
private inner node class
Do not modify this class!!
you may access data and next directly
***************************************************/
private class Node
{
private T data; // entry in list
private Node next; // link to next node
private Node (T dataPortion)
{
data = dataPortion;
next = null; // set next to NULL
} // end constructor
private Node (T dataPortion, Node nextNode)
{
data = dataPortion;
next = nextNode; // set next to refer to nextNode
} // end constructor
} // end Node
/****************************************************
Do not modify: Stack test
****************************************************/
public static void main (String args[])
{
System.out.println(\"\ \"+
\"*******************************************************\ \"+
\"Sample Expected output:\ \"+
\"\ \"+
\"OK: stack is empty\ \"+
\"Push 3 data: 10, 30, 50\ \"+
\"Print stack [50,30,10,]\ \"+
\"OK: sta.
I need help in writing the test cases of the below methods i.pdf
I need help in writing the test cases of the below methods i.pdfadianantsolutions I need help in writing the test cases of the below methods in java. The test cases must test
both empty and non empty deque.PLS HELP ME WITH WRITING THE TEST CASES IN
JAVA.ITS URGENT.
package deque;
/**
* A deque implemented using a doubly-linked chain.
*
* @param <T>
* The type of elements contained in the deque.
*/
public class Lab08Deque<T> extends DLinkedDeque<T> {
/**
* Inserts a new item at the front of the deque.
*
* @param newEntry
* the item to insert.
*/
public void addToFront(T newEntry) {
DLNode<T> newNode = new DLNode<T>(newEntry);
if (isEmpty()) {
lastNode = newNode;
}
else {
firstNode.setPreviousNode(newNode);
}
newNode.setNextNode(firstNode);
firstNode = newNode;
size++;
throw new UnsupportedOperationException(
"You have not implemented addToFront() yet");
}
/**
* Insert a new item at the rear of the deque.
*
* @param newEntry
* the item to insert.
*/
public void addToBack(T newEntry) {
DLNode<T> newNode = new DLNode<T>(newEntry);
if (isEmpty()) {
firstNode = newNode;
}
else {
lastNode.setPreviousNode(newNode);
newNode.setPreviousNode(lastNode);
}
lastNode = newNode;
size++;
throw new UnsupportedOperationException(
"You have not implemented addToBack() yet");
}
/**
* Remove the item at the front of the deque.
*
* @return The item that was removed
* @throws EmptyQueueException
* if there is not an element at the front
*/
public T removeFront() {
if (isEmpty()) {
throw new EmptyQueueException();
}
T front = firstNode.getData();
firstNode = firstNode.getNextNode();
if (firstNode == null) {
lastNode = null;
}
else {
firstNode.setPreviousNode(null);
}
throw new UnsupportedOperationException(
"You have not implemented removeFront() yet");
}
/**
* Remove the item at the rear of the deque.
*
* @return The item that was removed
* @throws EmptyQueueException
* if there is no element at the front
*/
public T removeBack() {
if (isEmpty()) {
throw new EmptyQueueException();
}
T data = lastNode.getData();
lastNode = lastNode.getPreviousNode();
if (lastNode == null) {
firstNode = null;
}
else {
lastNode.setPreviousNode(null);
}
throw new UnsupportedOperationException(
"You have not implemented removeBack() yet");
}
/**
* Get the item at the front (the head) of the deque. Does not alter the
* deque.
*
* @return the item at the front of the deque.
* @throws EmptyQueueException
* if no element at the front
*/
public T getFront() {
if (isEmpty()) {
throw new EmptyQueueException();
}
return firstNode.getData();
}
/**
* Get the item at the rear (the tail) of the deque. Does not alter the
* deque.
*
* @return the item at the rear of the deque.
* @throws EmptyQueueException
* if no element at rear
*
*/
public T getBack() {
if (isEmpty()) {
throw new EmptyQueueException();
}
return lastNode.getData();
}
/**
* Check if the deque is empty
*
* @return true if the deque has no items
*/
public boolean isEmpty() {
return size() == 0;
}
/**
* Empty the deque.
*/
public void clear() {
while (!isEmpty()) {
removeFront();
}
}
// -------------------------------.
please read below it will tell you what we are using L.pdf
please read below it will tell you what we are using L.pdfankit11134 please read below it will tell you what we are using
/**
* LinkedList.java
*
* Replace all //TODO tags with your code
*
* Note that below the "//TODO" tag there may be
* something like "return null;", "return 0;", etc.
* That line is just "stubbed in" so the class
* will compile. When you add your code (one or many
* statements), you will want to delete the "stubbed" line.
* By "stubbed in" we mean "mocked" or "faked in" temporarily.
*
* When testing, construct using the static factory methods:
LinkedList.newEmpty()
LinkedList.from(arrayElements)
*/
package model.list;
import java.lang.reflect.Array;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import model.linearpub.DynamicList;
import model.linearpub.StructureIterator;
//This class is NOT java.util.LinkedList
public class LinkedList<E> implements DynamicList<E> {
//---------------------------------
// Instance Variables
//TODO - declare instance variable(s)
//---------------------------------
// Private Constructor
/** Constructs and returns new LinkedList (no args constructor) */
private LinkedList() {
}
//-------------------- List Statistics ---------------------
/**
* Return number of elements in this list.
*/
@Override
public int size() {
//TODO
return 0;
}
/**
* Return true is this list contains no elements.
*/
@Override
public boolean isEmpty() {
//TODO
return false;
}
//------------------ Accessing Elements --------------------
/**
* Return element at given index.
* Throws IndexOutOfBoundsException if passed index is invalid.
*/
@Override
public E get(int index) {
//TODO
return null;
}
/**
* Return first element
* Throws RuntimeException if list is empty
*/
@Override
public E first() {
//TODO
return null;
}
/**
* Return last element
* Throws RuntimeException if list is empty
*/
@Override
public E last() {
//TODO
return null;
}
/**
* Return a new list containing the elements of this list
* between the given index "start" (inclusive) and
* the given index "stop" (exclusive).
* Throws IndexOutOfBoundsException if either passed index is invalid.
*/
@Override
public DynamicList<E> subList(int start, int stop) {
//TODO
return null;
}
/**
* Return index of first matching element (where searchFct outputs true)
* Return -1 if no match
* Example usage (first list of integers, then employees):
* index = list.find(eaInteger -> eaInteger == 10);
* index = employeeList.find(employee -> employee .getFirstName().equals("Kofi"));
*/
@Override
public int findFirst(Function<E, Boolean> searchFct) {
//TODO
return 0;
}
/**
* Return index of last matching element (where searchFct outputs true)
* E.g., if searching for employee with name "Kofi" and there is a match
* at index=3 and index=8, findLast will return 8 (the last matching index).
* Hint: start search at end of list and work backwards through list.
* Return -1 if no match
*/
@Override
public int findLast(Function<E, Boolean> searchFct.
Please do parts labeled TODO LinkedList.java Replace.pdf
Please do parts labeled TODO LinkedList.java Replace.pdfaioils Please do parts labeled TODO
/**
* LinkedList.java
*
* Replace all //TODO tags with your code
*
* Note that below the "//TODO" tag there may be
* something like "return null;", "return 0;", etc.
* That line is just "stubbed in" so the class
* will compile. When you add your code (one or many
* statements), you will want to delete the "stubbed" line.
* By "stubbed in" we mean "mocked" or "faked in" temporarily.
*
* When testing, construct using the static factory methods:
LinkedList.newEmpty()
LinkedList.from(arrayElements)
*/
package model.list;
import java.lang.reflect.Array;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import model.linearpub.DynamicList;
import model.linearpub.StructureIterator;
//This class is NOT java.util.LinkedList
public class LinkedList implements DynamicList {
//---------------------------------
// Instance Variables
//TODO - declare instance variable(s)
//---------------------------------
// Private Constructor
/** Constructs and returns new LinkedList (no args constructor) */
private LinkedList() {
}
//-------------------- List Statistics ---------------------
/**
* Return number of elements in this list.
*/
@Override
public int size() {
//TODO
return 0;
}
/**
* Return true is this list contains no elements.
*/
@Override
public boolean isEmpty() {
//TODO
return false;
}
//------------------ Accessing Elements --------------------
/**
* Return element at given index.
* Throws IndexOutOfBoundsException if passed index is invalid.
*/
@Override
public E get(int index) {
//TODO
return null;
}
/**
* Return first element
* Throws RuntimeException if list is empty
*/
@Override
public E first() {
//TODO
return null;
}
/**
* Return last element
* Throws RuntimeException if list is empty
*/
@Override
public E last() {
//TODO
return null;
}
/**
* Return a new list containing the elements of this list
* between the given index "start" (inclusive) and
* the given index "stop" (exclusive).
* Throws IndexOutOfBoundsException if either passed index is invalid.
*/
@Override
public DynamicList subList(int start, int stop) {
//TODO
return null;
}
/**
* Return index of first matching element (where searchFct outputs true)
* Return -1 if no match
* Example usage (first list of integers, then employees):
* index = list.find(eaInteger -> eaInteger == 10);
* index = employeeList.find(employee -> employee .getFirstName().equals("Kofi"));
*/
@Override
public int findFirst(Function searchFct) {
//TODO
return 0;
}
/**
* Return index of last matching element (where searchFct outputs true)
* E.g., if searching for employee with name "Kofi" and there is a match
* at index=3 and index=8, findLast will return 8 (the last matching index).
* Hint: start search at end of list and work backwards through list.
* Return -1 if no match
*/
@Override
public int findLast(Function searchFct) {
//TODO
return 0;
}
//------------------- Setting Elem.
package ADTs public interface CollectionADTltTgt .pdf
package ADTs public interface CollectionADTltTgt .pdfsyedabdul78662 This document defines interfaces for common abstract data types (ADTs) like collections, lists, and queues. It also provides an implementation of an array-based queue and unit tests for that implementation. The interfaces define common methods for the ADTs, like adding/removing elements, checking for emptiness, and retrieving sizes. The array queue implementation and tests demonstrate how the queue ADT can be constructed using an array to store elements.
New folderjsjfArrayStack.classpackage jsjf;publicsynchronize.docx
New folderjsjfArrayStack.classpackage jsjf;publicsynchronize.docxcurwenmichaela New folder/jsjf/ArrayStack.classpackage jsjf;
publicsynchronizedclass ArrayStack implements StackADT {
privatestaticfinal int DEFAULT_CAPACITY = 100;
private int top;
private Object[] stack;
public void ArrayStack();
public void ArrayStack(int);
public void push(Object);
private void expandCapacity();
public Object pop() throws exceptions.EmptyCollectionException;
public Object peek() throws exceptions.EmptyCollectionException;
public int size();
public boolean isEmpty();
public String toString();
}
New folder/jsjf/ArrayStack.javaNew folder/jsjf/ArrayStack.javapackage jsjf;
import jsjf.exceptions.*;
import java.util.Arrays;
// -------------------------------------------------------
// Author: Yifu Wu
// Date: 03/10/16
// Source Name: ArrayStack<T>
// Due date: 03/10/16
// Description:
/**
* An array implementation of a stack in which the bottom of the
* stack is fixed at index 0.
*
* @author Java Foundations
* @version 4.0
*/
publicclassArrayStack<T>implementsStackADT<T>
{
privatefinalstaticint DEFAULT_CAPACITY =100;
privateint top;
private T[] stack;
/**
* Creates an empty stack using the default capacity.
*/
publicArrayStack()
{
this(DEFAULT_CAPACITY);
}
/**
* Creates an empty stack using the specified capacity.
* @param initialCapacity the initial size of the array
*/
publicArrayStack(int initialCapacity)
{
top =0;
stack =(T[])(newObject[initialCapacity]);
}
/**
* Adds the specified element to the top of this stack, expanding
* the capacity of the array if necessary.
* @param element generic element to be pushed onto stack
*/
publicvoid push(T element)
{
if(size()== stack.length)
expandCapacity();
stack[top]= element;
top++;
}
/**
* Creates a new array to store the contents of this stack with
* twice the capacity of the old one.
*/
privatevoid expandCapacity()
{
//stack = Arrays.copyOf(stack, stack.length * 2);
System.out.println("Expanding stack capacity\n");
T[] temp =(T[])(newObject[2*top]);
for(int i=0; i< top; i++)
temp[i]= stack[i];
stack = temp;
}
/**
* Removes the element at the top of this stack and returns a
* reference to it.
* @return element removed from top of stack
* @throws EmptyCollectionException if stack is empty
*/
public T pop()throwsEmptyCollectionException
{
if(isEmpty())
thrownewEmptyCollectionException("stack");
top--;
T result = stack[top];
stack[top]=null;
return result;
}
/**
* Returns a reference to the element at the top of this stack.
* The element is not removed from the stack.
* @return element on top of stack
* @throws EmptyCollectionException if stack is empty
*/
public T peek()throwsEmptyCollectionException
{
if(isEmpty())
thrownewEmptyCollectionException("stack");
return stack[top-1];
}
/**
* Returns the number of elements in ...
Given below is the completed implementation of MyLinkedList class. O.pdf
Given below is the completed implementation of MyLinkedList class. O.pdfinfo430661 Given below is the completed implementation of MyLinkedList class. Other classes are not
modified and remain same as in question - MyList, MyAbstractList, TestMyLinkedList.
The output of TestMyLinkedList is shown below. Please don\'t forget to rate the answer if it
helped. Thank you very much.
Since the MyList is not completely pasted in the question ... giving the complete class file below
MyList.java
public interface MyList> extends java.lang.Iterable
{
// Add a new element at the end of this list
public void add (E e);
// Add a new element at specified index in this list
public void add (int index, E e);
// Return true if this list contains the element
public boolean contains (E e);
// Return the element at the specified index
public E get (int index);
// Return the index of the first matching element
// Return -1 if no match.
public int indexOf (E e);
// Return the index of the last matching element
// Return -1 if no match.
public int lastIndexOf (E e);
E remove(int index);
void clear();
E set(int index, E e);
}
MyLinkedList.java
public class MyLinkedList> extends MyAbstractList
implements Comparable>
{
private Node head, tail; // head and tail pointers
// Create a default list
public MyLinkedList()
{
}
public int size()
{
return size;
}
// Need this for implementing Comparable
public int compareTo (MyLinkedList e)
{
return(size() - e.size());
}
// Create a list from an array of objects
public MyLinkedList (E[] objects)
{
super(objects); // Passes the array up to abstract parent
}
// Return the head element in the list
public E getFirst()
{
if (size == 0)
{
return null;
}
else
{
return head.element;
}
}
// Return the last element in the list
public E getLast()
{
if (size == 0)
{
return null;
}
else
{
return tail.element;
}
}
// Add an element to the beginning of the list
public void addFirst (E e)
{
// Create a new node for element e
Node newNode = new Node(e);
newNode.next = head; // link the new node with the head
head = newNode; // head points to the new node
size++; // Increase list size
if (tail == null) // new node is only node
{
tail = head;
}
}
// Add an element to the end of the list
public void addLast (E e)
{
// Create a new node for element e
Node newNode = new Node(e);
if (tail == null)
{
head = tail = newNode; // new node is only node
}
else
{
tail.next = newNode; // Link the new with the last node
tail = tail.next; // tail now points to the last node
}
size++; // Increase size
}
// Remove the head node and
// return the object from the removed node
public E removeFirst()
{
if (size == 0)
{
return null;
}
else
{
Node temp = head;
head = head.next;
size--;
if (head == null)
{
tail = null;
}
return temp.element;
}
}
// Remove the last node and return the object from it
public E removeLast()
{
if (size == 0)
{
return null;
}
else if (size == 1)
{
Node temp = head;
head = tail = null;
size = 0;
return temp.element;
}
else
{
Node current = head;
for (int i = 0; i < size - 2; i++)
{
current = current.next;
}
Node temp = tail;
tai.
Using NetBeansImplement a queue named QueueLL using a Linked List .pdf
Using NetBeansImplement a queue named QueueLL using a Linked List .pdfsiennatimbok52331 Using NetBeans
Implement a queue named QueueLL using a Linked List (same as we did for the stack). This
implementation must be used in all the following problems.
Implement a queue QueueST using a stack (use StackLL).
Test your implementations in the main with examples.
Solution
Answer:-
import java.util.*;
/* Class Node */
class Node
{
protected int data;
protected Node link;
/* Constructor */
public Node()
{
link = null;
data = 0;
}
/* Constructor */
public Node(int d,Node n)
{
data = d;
link = n;
}
/* Function to set link to next Node */
public void setLink(Node n)
{
link = n;
}
/* Function to set data to current Node */
public void setData(int d)
{
data = d;
}
/* Function to get link to next node */
public Node getLink()
{
return link;
}
/* Function to get data from current Node */
public int getData()
{
return data;
}
}
/* Class linkedQueue */
class linkedQueue
{
protected Node front, rear;
public int size;
/* Constructor */
public linkedQueue()
{
front = null;
rear = null;
size = 0;
}
/* Function to check if queue is empty */
public boolean isEmpty()
{
return front == null;
}
/* Function to get the size of the queue */
public int getSize()
{
return size;
}
/* Function to insert an element to the queue */
public void insert(int data)
{
Node nptr = new Node(data, null);
if (rear == null)
{
front = nptr;
rear = nptr;
}
else
{
rear.setLink(nptr);
rear = rear.getLink();
}
size++ ;
}
/* Function to remove front element from the queue */
public int remove()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
Node ptr = front;
front = ptr.getLink();
if (front == null)
rear = null;
size-- ;
return ptr.getData();
}
/* Function to check the front element of the queue */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
return front.getData();
}
/* Function to display the status of the queue */
public void display()
{
System.out.print(\"\ Queue = \");
if (size == 0)
{
System.out.print(\"Empty\ \");
return ;
}
Node ptr = front;
while (ptr != rear.getLink() )
{
System.out.print(ptr.getData()+\" \");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedQueueImplement */
public class LinkedQueueImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class linkedQueue */
linkedQueue lq = new linkedQueue();
/* Perform Queue Operations */
System.out.println(\"Linked Queue Test\ \");
char ch;
do
{
System.out.println(\"\ Queue Operations\");
System.out.println(\"1. insert\");
System.out.println(\"2. remove\");
System.out.println(\"3. peek\");
System.out.println(\"4. check empty\");
System.out.println(\"5. size\");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println(\"Enter integer element to insert\");
lq.insert( scan.nextInt() );
break;
case 2 :
try
{
System.out.println(\"Removed Element = \"+ lq.remove());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 3 .
STAGE 2 The Methods 65 points Implement all the methods t.pdf
STAGE 2 The Methods 65 points Implement all the methods t.pdfbabitasingh698417 STAGE 2: The Methods (65 points) Implement all the methods that are marked as Left as
Exercise. The Driver program only works when you have done all the methods. I have added the
template of all the methods with a placeholder value as return types of the methods. For example,
return 0 if method returns an int value.
List of the methods left as exercise are as follows: /** Create a list from an array of objects */
@SuppressWarnings("unchecked") public MyLinkedList(E[] objects) /** Add a new element at the
specified index in this list in ascending order */ public void addInOrder(E e) /** Check to see if this
list contains element e */ public boolean contains(E e) /** Remove all the occurrences of the
element e * from this list. Return true if the element is * removed. */ public boolean removeAll(E e)
/** Remove the first occurrence of the element e * from this list. Return true if the element is *
removed. */ public boolean remove(E e) /** Return the element at the specified index */ public E
get(int index) /** Return the index of the head matching element in * this list. Return -1 if no match.
*/ public int indexOf(Object e) /** Return the index of the last matching element in * this list. Return
-1 if no match. */ public int lastIndexOf(E e) /** Replace the element at the specified position * in
this list with the specified element. */ public E set(int index, E e) /** Print this list using recursion */
public void printList() /** Returns an array containing all of the elements * in this collection; * the
runtime type of the returned array is that of * the specified array. */ public <E> E[] toArray(E[]
array) /** Split the original list in half. The original * list will continue to reference the * front half of
the original list and the method * returns a reference to a new list that stores the * back half of the
original list.
public class MyLinkedList<E extends Comparable<E>> {
private Node<E> head, tail;
private int size = 0; // Number of elements in the list
public MyLinkedList() {
head=tail=null;
size=0;
}
/** Return the head element in the list */
public E getFirst() {
if (size == 0) {
return null;
}
else {
return head.element;
}
}
/** Return the last element in the list */
public E getLast() {
if (size == 0) {
return null;
}
else {
return tail.element;
}
}
/** Add an element to the beginning of the list */
public void addFirst(E e) {
Node<E> newNode = new Node<>(e); // Create a new node
newNode.next = head; // link the new node with the head
head = newNode; // head points to the new node
size++; // Increase list size
if (tail == null) // the new node is the only node in list
tail = head;
}
/** Add an element to the end of the list */
public void addLast(E e) {
Node<E> newNode = new Node<>(e); // Create a new for element e
if (tail == null) {
head = tail = newNode; // The new node is the only node in list
}
else {
tail.next = newNode; // Link the new with the last node
tail = newNode; // tail now points to the last node
}
size++; // Incr.
Please complete all the code as per instructions in Java programming.docx
Please complete all the code as per instructions in Java programming.docxcgraciela1 Please complete all the code as per instructions in Java programming import org.w3c.dom.Node; import javax.xml.crypto.NodeSetData; import java.awt.*; import java.util.Iterator; import java.util.NoSuchElementException; /** * This class implements an acyclic (non-cyclic), doubly-linked list. * @param */ public class CiscDoublyLinkedList implements CiscList { /** * A reference to the first node in the list (or null if list is empty). */ private Node head; /** * A reference to the last node int the list (or null if list is empty). */ private Node tail; /** * Number of elements in the list. */ private int size; /** * Returns the number of elements in this list. * * * @return the number of elements in this list */ @Override public int size() { return size; } /** * Returns {@code true} if this list contains no elements. * * * @return {@code true} if this list contains no elements */ @Override public boolean isEmpty() { if (size == 0){ return true; } return false; } /** * Returns {@code true} if this list contains the specified element (compared using the {@code equals} method). * * * @param o element whose presence in this list is to be tested * @return {@code true} if this list contains the specified element * @throws NullPointerException if the specified element is null */ @Override public boolean contains(Object o) { if(o == null) { throw new NullPointerException(); } Node node = head; while(node != null) { if(node.data.equals(o)){ return true; } node = node.next; } return false; } /** * Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not * contain the element (compared using the {@code equals} method). * * * @param o element to search for * @return the index of the first occurrence of the specified element in this list, or -1 if this list does not * contain the element * @throws NullPointerException if the specified element is null */ @Override public int indexOf(Object o) { if (o == null){ throw new NullPointerException(); } for(int i =0; i = size){ throw new IndexOutOfBoundsException(); } return null; } /** * Appends the specified element to the end of this list. * * *
Lists may place the specified element at arbitrary locations if desired. In particular, an ordered list will * insert the specified element at its sorted location. List classes should clearly specify in their documentation * how elements will be added to the list if different from the default behavior (end of this list). * * @param e element to be appended to this list * @return {@code true} * @throws NullPointerException if the specified element is null */ @Override public boolean add(E e) { if(e == null){ throw new NullPointerException(); } return false; } /** * Replaces the element at the specified position in this list with the specified element. * * * @param index index of the element to replace * @param element element to be stored at the specified position * @return the element previously at the specified position *.
EmptyCollectionException-java -- - Represents the situation in which.docx
EmptyCollectionException-java -- - Represents the situation in which.docxBlakeSGMHemmingss EmptyCollectionException.java
/*
* Represents the situation in which a collection is empty.
*/
public class EmptyCollectionException extends RuntimeException
{
/* General class level objects */
/*
* Sets up this exception with an appropriate message.
* @param collection the name of the collection
*/
public EmptyCollectionException(String collection)
{
super("The " + collection + " is empty.");
}
}
PriorityNode.java
/*
* Represents a node in a linked list.
*/
public class PriorityNode<T>
{
/* General class level objects */
private PriorityNode<T> _next;
private T _element;
private int _priority;
private final int _MAX_PRIORITY = 100;
/*
* Creates an empty node with a given priority.
*/
public PriorityNode(T elem, int priority)
{
// TODO To be completed as a Programming Project
}
/*
* Creates a node storing the specified element with a default priority.
*
* @param elem element to be stored
*/
public PriorityNode(T elem)
{
// TODO To be completed as a Programming Project
}
/*
* Returns the node that follows this one.
*
* @return reference to next node
*/
public PriorityNode<T> getNext()
{
// TODO To be completed as a Programming Project
}
/*
* Sets the node that follows this one.
*
* @param node node to follow this one
*/
public void setNext(PriorityNode<T> node)
{
// TODO To be completed as a Programming Project
}
/*
* Returns the element stored in this node.
*
* @return element stored at the node
*/
public T getElement()
{
// TODO To be completed as a Programming Project
}
/*
* Returns the priority of this node.
*
* @return element priority the node
*/
public int getPriority()
{
// TODO To be completed as a Programming Project
}
/*
* Sets the element stored in this node.
*
* @param elem element to be stored at this node
*/
public void setElement(T elem)
{
// TODO To be completed as a Programming Project
}
/*
* optional toString() override.
*/
//public String toString()
//{
// // TODO To be completed as a Programming Project
//}
}
PriorityQueue.java
/*
* LinkedQueue represents a linked implementation of a queue.
*/
public class PriorityQueue<T> implements PriorityQueueADT<T>
{
/* General class level objects */
private int _count;
private PriorityNode<T> _head, _tail;
/*
* Constructor - Creates an empty queue.
*/
public PriorityQueue()
{
_count = 0;
_head = _tail = null;
}
/*
* Adds one element to the rear of this queue.
* Higher priorities are inserted closer to the front of the queue
* Items with the same priority are processed in normal queue order
*
* @param element the element to be added to the rear of the queue
* @param priority relative priority of the queue item
*/
public void enqueue(T element, int priority)
{
// TODO To be completed as a Programming Project
// add in-order insertion of the PriorityNode based on getPriority() value
// the higher the priority is the closer to head it gets
// equivalent priority is normal .
Posfix
PosfixFajar Baskoro This document contains the code for three Java classes: Stack, Queue, and Postfix. Stack and Queue define basic LIFO and FIFO data structures using a List to store elements. Postfix defines a class to convert infix arithmetic expressions to postfix notation by using Stacks and Queues to process operator precedence.
Please review my code (java)Someone helped me with it but i cannot.pdf
Please review my code (java)Someone helped me with it but i cannot.pdffathimafancyjeweller Please make it to clear 12-95. The basketball passed through the hoop even though it barely
cleared the hands of the player B who attempted to block it. Neglecting the size of the ball,
determine the magnitude vn of its initial velocity and the height h of the ball when it passes over
player B 10 ft 5 ft Prob. 12-95
Solution
Consider the motion along horizontal direction
Vox = initial velocity in horizontal direction = Va Cos30
X = horizontal distance = 25 + 3 = 28 ft
t = time taken
t = X / Vox = 28/(Va Cos30) eq-1
consider the motion in vertical direction
Y = vertical displacement = 10 - 7 = 3 ft
a = acceleration = - 32.2
Voy = initial velocity = Va Sin30
t = time taken
using the equation
Y = Voy t + (0.5) a t2
3 = (Va Sin30) (28/(Va Cos30)) + (0.5) (- 32.2) (28/(Va Cos30))2
Va = 35.8 m/s
t\' = time taken to reach B = 25 / (Va Cos30) = 25 / (35.8 Cos30) = 0.81 sec
h = 7 + Voy t\' + (0.5) a t\'2
h = 7 + (35.8 Sin30) (0.81) + (0.5) (- 32.2) (0.81)2
h = 10.94 ft.
For the code below complete the preOrder() method so that it perform.pdf
For the code below complete the preOrder() method so that it perform.pdfxlynettalampleyxc For the code below complete the preOrder() method so that it performs a preOrder traversal of
the tree. For each node it traverses, it should call sb.append() to add a \"[\" the results of
traversing the subtree rooted at that node, and then a \"]\". You should add a space before the
results of the left and right child traversals, but only if the node exists.
code:
Solution
In preorder Nodes visited are in the order of
code:
package edu.buffalo.cse116;
import java.util.AbstractSet;
import java.util.Iterator;
public class BinarySearchTree> extends AbstractSet {
protected Entry root;
protected int size;
/**
* Initializes this BinarySearchTree object to be empty, to contain only
* elements of type E, to be ordered by the Comparable interface, and to
* contain no duplicate elements.
*/
public BinarySearchTree() {
root = null;
size = 0;
}
/**
* Initializes this BinarySearchTree object to contain a shallow copy of a
* specified BinarySearchTree object. The worstTime(n) is O(n), where n is the
* number of elements in the specified BinarySearchTree object.
*
* @param otherTree - the specified BinarySearchTree object that this
* BinarySearchTree object will be assigned a shallow copy of.
*/
public BinarySearchTree(BinarySearchTree otherTree) {
root = copy(otherTree.root, null);
size = otherTree.size;
}
/* Method to complete is here! */
public void preOrder(Entry ent, StringBuilder sb) {
preorder(root)
protected Entry copy(Entry p, Entry parent) {
if (p != null) {
Entry q = new Entry(p.element, parent);
q.left = copy(p.left, q);
q.right = copy(p.right, q);
return q;
}
return null;
} // method copy
@SuppressWarnings(\"unchecked\")
@Override
public boolean equals(Object obj) {
if (!(obj instanceof BinarySearchTree)) {
return false;
}
return equals(root, ((BinarySearchTree) obj).root);
}
public boolean equals(Entry p, Entry q) {
if ((p == null) || (q == null)) {
return p == q;
}
if (!p.element.equals(q.element)) {
return false;
}
if (equals(p.left, q.left) && equals(p.right, q.right)) {
return true;
}
return false;
}
/**
* Returns the size of this BinarySearchTree object.
*
* @return the size of this BinarySearchTree object.
*/
@Override
public int size() {
return size;
}
/**
* Iterator method will be implemented for a future
*
* @return an iterator positioned at the smallest element in this
* BinarySearchTree object.
*/
@Override
public Iterator iterator() {
throw new UnsupportedOperationException(\"Not implemented yet!\");
}
/**
* Determines if there is at least one element in this BinarySearchTree object
* that equals a specified element. The worstTime(n) is O(n) and
* averageTime(n) is O(log n).
*
* @param obj - the element sought in this BinarySearchTree object.
* @return true - if there is an element in this BinarySearchTree object that
* equals obj; otherwise, return false.
* @throws ClassCastException - if obj cannot be compared to the elements in
* this BinarySearchTree object.
* @throws NullPointerException - if obj is null.
*/
@Override
public .
Note- Can someone help me with the Public boolean add(E value) method.pdf
Note- Can someone help me with the Public boolean add(E value) method.pdfStewart29UReesa Note: Can someone help me with the Public boolean add(E value) method and Private void
add(E value,Node n) method. I have everything but it is not working. Also need help with the
remove methods. Both public and private methods for remove. package edu.ust.cisc; import
java.util.Iterator; import java.util.NoSuchElementException; public class CiscSortedLinkedList
> implements CiscList { /** * A reference to this list's dummy node. Its next reference should
refer to the node containing the first element * in this list, or it should refer to itself if the list is
empty. The next reference within the node containing * the last element in this list should refer to
dummy, thus creating a cyclic list. */ private Node dummy; /** * Number of elements in the list.
*/ private int size; /** * Constructs an empty CiscSortedLinkedList instance with a non-null
dummy node whose next reference refers to * itself. */ public CiscSortedLinkedList() { dummy
= new Node<>(null, null); dummy.next = dummy; } /** * Returns the number of elements in
this list. * * @return the number of elements in this list */ @Override public int size() { return
size; } /** * Returns {@code true} if this list contains no elements. * * @return {@code true} if
this list contains no elements */ @Override public boolean isEmpty() { return size==0; } /** *
Returns {@code true} if this list contains the specified element (compared using the {@code
equals} method). * This implementation should stop searching as soon as it is able to determine
that the specified element is not * present. * @param o element whose presence in this list is to
be tested * @return {@code true} if this list contains the specified element * @throws
NullPointerException if the specified element is null */ @Override public boolean
contains(Object o) { if(o==null){ throw new NullPointerException(); } return
containsHelper(o,dummy.next); } private boolean containsHelper(Object o, Node node){
if(node== dummy){ return false; } else if(o.equals(node.data)){ return true; } else{ return
containsHelper(o,node.next); } } /** * Returns an iterator over the elements in this list in proper
sequence. * * @return an iterator over the elements in this list in proper sequence */ @Override
public Iterator iterator() { //return new Iterator (){ //private Node curr = dummy.next; //private
Node prev = dummy; //private boolean canRemove = false; return new CiscLinkedListIterator();
} /** * Returns an array containing all of the elements in this list in proper sequence (from first
to last element). * *
The returned array will be "safe" in that no references to it are maintained by this list. (In other
words, * this method must allocate a new array even if this list is backed by an array). The caller
is thus free to modify * the returned array. * * @return an array containing all of the elements in
this list in proper sequence */ @Override public Object[] toArray() { Object[] arr = new
Object[size]; int i = 0; for(Node current = dummy;curren.
(674335607) cs2309 java-lab-manual
(674335607) cs2309 java-lab-manualChandrapriya Jayabal This document describes a Java program to implement a stack data structure using both an array and linked list. It defines a Stack interface and ArrayStack and LinkedListStack classes that implement the stack. The ArrayStack uses an array to store elements while LinkedListStack uses linked list nodes. Methods like push(), pop(), top(), and topAndPop() are implemented to add/remove elements from the stack. Exception handling is included for empty stack cases. Sample code tests inserting characters and numbers into both stack implementations.
File LinkedList.java Defines a doubly-l.pdf
File LinkedList.java Defines a doubly-l.pdfConint29 File: LinkedList.java
/**
* Defines a doubly-linked list class
*/
import java.util.NoSuchElementException;
public class LinkedList {
private class Node {
private T data;
private Node next;
private Node prev;
public Node(T data) {
this.data = data;
this.next = null;
this.prev = null;
}
}
private int length;
private Node first;
private Node last;
private Node iterator;
/**** CONSTRUCTORS ****/
/**
* Instantiates a new LinkedList with default values
* @postcondition
*/
public LinkedList() {
}
/**
* Converts the given array into a LinkedList
* @param array the array of values to insert into this LinkedList
* @postcondition
*/
public LinkedList(T[] array) {
}
/**
* Instantiates a new LinkedList by copying another List
* @param original the LinkedList to copy
* @postcondition a new List object, which is an identical,
* but separate, copy of the LinkedList original
*/
public LinkedList(LinkedList original) {
}
/**** ACCESSORS ****/
/**
* Returns the value stored in the first node
* @precondition
* @return the value stored at node first
* @throws NoSuchElementException
*/
public T getFirst() throws NoSuchElementException {
return null;
}
/**
* Returns the value stored in the last node
* @precondition
* @return the value stored in the node last
* @throws NoSuchElementException
*/
public T getLast() throws NoSuchElementException {
return null;
}
/**
* Returns the data stored in the iterator node
* @precondition
* @return the data stored in the iterator node
* @throw NullPointerException
*/
public T getIterator() throws NullPointerException {
return null;
}
/**
* Returns the current length of the LinkedList
* @return the length of the LinkedList from 0 to n
*/
public int getLength() {
return -1;
}
/**
* Returns whether the LinkedList is currently empty
* @return whether the LinkedList is empty
*/
public boolean isEmpty() {
return false;
}
/**
* Returns whether the iterator is offEnd, i.e. null
* @return whether the iterator is null
*/
public boolean offEnd() {
return false;
}
/**** MUTATORS ****/
/**
* Creates a new first element
* @param data the data to insert at the front of the LinkedList
* @postcondition
*/
public void addFirst(T data) {
return;
}
/**
* Creates a new last element
* @param data the data to insert at the end of the LinkedList
* @postcondition
*/
public void addLast(T data) {
return;
}
/**
* Inserts a new element after the iterator
* @param data the data to insert
* @precondition
* @throws NullPointerException
*/
public void addIterator(T data) throws NullPointerException{
return;
}
/**
* removes the element at the front of the LinkedList
* @precondition
* @postcondition
* @throws NoSuchElementException
*/
public void removeFirst() throws NoSuchElementException {
return;
}
/**
* removes the element at the end of the LinkedList
* @precondition
* @postcondition
* @throws NoSuchElementException
*/
public void removeLast() throws NoSuchElementException {
return;
}
/**
* removes the element referenced by the iterator
* @precondition
* @pos.
Implementation The starter code includes List.java. You should not c.pdf
Implementation The starter code includes List.java. You should not c.pdfmaheshkumar12354 Implementation The starter code includes List.java. You should not change anything in List.java.
Your task will be to create LinkedList.java, make LinkedList use generics and inherit from List,
and complete several methods in LinkedList.java. Create LinkedList.java in IntelliJ. Add a main
method to LinkedList.java containing the following code. Your program will not compile again.
public static void main(String[] args) { LinkedList list = new LinkedList();
System.out.println(list.getHead()); System.out.println(list.getTail()); list.add("first");
list.add("middle"); list.add("last"); System.out.println(list.getHead().value);
System.out.println(list.getTail().value); System.out.println(list); } The first issue is that your
LinkedList class does not have a way of specifying what type of data it should store. You can fix
this using Java Generics. Change the first line of your class to the following: LinkedList .
Confirm that the first line in your main method no longer has an error. On the line that declares
the LinkedList class, add extends List before the bracket that begins the class. The first line in
your class will now have a compile error because LinkedList does not implement the methods
required by the List abstract class. Press Ctrl-i to have IntelliJ insert stubs of these methods.
Ensure that Copy JavaDoc is selected so you get JavaDoc comments which describe the method
requirements, then click OK. Your code should now compile again. Next add fields for the head
and tail. These will be of type Node. Create a getHead method which returns your head field, and
a getTail method which returns your tail field. Run your main method now and you will see that
there is a NullPointerException because the add method does not actually add anything to the
list, so head and tail will always be null. Complete the method boolean add(T value) for which
IntelliJ gave you a stub. You need to create a new node with value to add at the end of the list.
This means you will need to connect it to the old tail and update tail to point to the node you
created. Make sure that you handle the case where the list is empty and both head and tail should
be set to the new node you've created. Note: For the full Map I assignment, add will need to
prevent duplicate values being added to the list and should return true or false based on whether
the value was added or not. For this lab, you can ignore this requirement and simply return true.
Add a toString method to your LinkedList class. It should start at the head of your list and
proceed through all the nodes in a loop, combining the values of each node with a comma
between each and square brackets containing the whole thing. When you run your main method,
the final thing printed should be: [first, middle, last] List.java: /** * Specification for a List
ADT. * @author Shubham Chatterjee * @version 03/07/2019 * @param Type */ public abstract
class List { /** * Appends the specified value to the end of this list. * * @para.
Note- Can someone help me with the private E get(int index- int curren (1).docx
Note- Can someone help me with the private E get(int index- int curren (1).docxVictorzH8Bondx Note: Can someone help me with the private E get(int index, int currentIndex, Node n)method. The code is not running. Also I need help with the public void add(int index, E element) method too. Please use the parameters provided with the code to solve. package edu.ust.cisc; import java.util.Iterator; import java.util.NoSuchElementException; public class CiscSortedLinkedList > implements CiscList { /** * A reference to this list's dummy node. Its next reference should refer to the node containing the first element * in this list, or it should refer to itself if the list is empty. The next reference within the node containing * the last element in this list should refer to dummy, thus creating a cyclic list. */ private Node dummy; /** * Number of elements in the list. */ private int size; /** * Constructs an empty CiscSortedLinkedList instance with a non-null dummy node whose next reference refers to * itself. */ public CiscSortedLinkedList() { dummy = new Node<>(null, null); dummy.next = dummy; } /** * Returns the number of elements in this list. * * @return the number of elements in this list */ @Override public int size() { return size; } /** * Returns {@code true} if this list contains no elements. * * @return {@code true} if this list contains no elements */ @Override public boolean isEmpty() { return size==0; } /** * Returns {@code true} if this list contains the specified element (compared using the {@code equals} method). * This implementation should stop searching as soon as it is able to determine that the specified element is not * present. * * @param o element whose presence in this list is to be tested * @return {@code true} if this list contains the specified element * @throws NullPointerException if the specified element is null */ @Override public boolean contains(Object o) { if(o==null){ throw new NullPointerException(); } return containsHelper(o,dummy.next); } private boolean containsHelper(Object o, Node node){ if(node== dummy){ return false; } else if(o.equals(node.data)){ return true; } else{ return containsHelper(o,node.next); } } /** * Returns an iterator over the elements in this list in proper sequence. * * @return an iterator over the elements in this list in proper sequence */ @Override public Iterator iterator() { //return new Iterator (){ //private Node curr = dummy.next; //private Node prev = dummy; //private boolean canRemove = false; return null; } /** * Returns an array containing all of the elements in this list in proper sequence (from first to last element). *
The returned array will be "safe" in that no references to it are maintained by this list. (In other words, * this method must allocate a new array even if this list is backed by an array). The caller is thus free to modify * the returned array. * * @return an array containing all of the elements in this list in proper sequence */ @Override public Object[] toArray() { Object[] arr = new Object[size]; int i = 0; for(Node current = dummy;current!=null;cur.
I need help implementing a Stack with this java programming assignme.pdf
I need help implementing a Stack with this java programming assignme.pdfsauravmanwanicp I need help implementing a Stack with this java programming assignment:
Given a doubly linked list (code provided below) implement a Stack. You must use the doubly
link list class and utilize it as an object in your implementation of the stack.
A Stack is a Last in First Out (LiFO) structure which translates to the processes of outputting the
last element which was inputted in the collection. The Stack is based on the process of putting
things on top of one another and taking the item on top (think of a stack of papers).
Operations to implement:
push (E): Add an element to the start of the sequence
pop: Remove an element from the start of the sequence
Peek: Return the first element of the sequence without removing it
atIndex(x): Return the element at the given index (x) Or throw an exception if it is out of bound
(if you can control the user input then do that instead)
Size: Return the size of the Stack
isEmpty: Boolean, returns true if the Stack is empty
Empty: Empty the Stack
Code Part 1:
public class DoublyLinkedList{
private DNode head;
private DNode tail;
private int size;
public DoublyLinkedList(){ // construct an empty list
this.tail = new DNode (null, null, this.head);
this.head = new DNode (null, this.tail, null);
this.size = 0;
}
public DoublyLinkedList(DNode next){ // constructs a list
// out of a single node
this.tail = new DNode (null, null, next);
this.head = new DNode (null, next, null);
next.changeNext(this.tail);
next.changePrev(this.head);
this.size = 1;
}
public DoublyLinkedList(Object [] objectArray){ // construct a list out of
// an array
this.tail = new DNode (null, null, this.head);
this.head = new DNode (null, this.tail, null);
DNode temp = this.head;
for (Object e : objectArray)
{
//Anonomus function
new DNode (e, temp.getNext(),temp).insertBetweenNodes(temp, temp.getNext());
temp = temp.getNext();
this.size += 1;
}
}
public void addToFrontofList(Object toAdd){ // Appends the begining
// of the list
DNode temp = new DNode (toAdd, this.head.getNext(), this.head);
this.head.getNext().changePrev(temp);
this.head.changeNext(temp);
this.size += 1;
}
public void addToendofList (Object toAdd) // appends the end of the list
// with a node
{
DNode temp = new DNode (toAdd, this.tail, this.tail.getPrev());
this.tail.getPrev().changeNext(temp);
this.tail.changePrev(temp);
this.size += 1;
}
public void insertAfterNode(DNode current, Object input)// Inserts a new
// a new node after
// current node
{
current.insertAfterNode(input);
this.size += 1;
}
public int getSize() // returns the size of the list
{
return this.size;
}
public String toString()
{
String result = \"\";
for (DNode temp = this.head.getNext();
temp.hasNext(); temp = temp.getNext())
{
result += temp.getValue();
result += \" -> \";
}
result += \"End of list\";
return result;
}
}
and code part2:
public class DNode{
private Object e; // place holder for the type of object the
//collection is storing
private DNode next; // reference to the next node in the sequence
// of.
Hi, Please find my code.I have correted all of your classes.Plea.pdf
Hi, Please find my code.I have correted all of your classes.Plea.pdfpritikulkarni20 Hi, Please find my code.
I have correted all of your classes.
Please let me know in case if do not get concpt.
######## Node.java ###########
public class Node {
private E element;
private Node next;
public Node() {
this.element = null;
this.next = null;
}
public Node(E e) {
this.element = e;
this.next = null;
}
public E getElement() {
return this.element;
}
public void setElement(E element) {
this.element= element;
}
public Node getNext() {
return next;
}
public void setNext(Node next) {
this.next = next;
}
}
########## Stack.java #############
public class Stack {
private int N;
private Node top;
public Stack() {
N = 0;
this.top =null;
}
/*
* places element on the top of the stack
*/
public void push(E element){
Node temp = new Node(element);
temp.setNext(top);
top = temp;
N++;
}
/*
* remove the top node and return its contents
*/
public E pop(){
if(top == null)
return null;
E e = top.getElement();
top = top.getNext();
N--;
return e;
}
/*
* Look at the top element of the Stack and return it, without removing
*/
public E peek(){
if(top == null)
return null;
return top.getElement();
}
//returns the size of the stack
public int size(){
return N; //replace
}
public boolean isEmpty(){
return top==null;
}
}
############ Queue.java ############
public class Queue {
private Node front;
private Node back;
private int N;
public Queue() {
this.front = null;
this.back = null;
N = 0;
}
/*
* places element in the back of the Queue
*/
public void enqueue(E element){
Node temp = new Node(element);
if(front == null) {
front = temp;
back = temp;
}
else{
back.setNext(temp);
back = temp;
}
N++;
}
/*
* remove the front node of the queue and return it
*/
public E dequeue(){
if(front == null) {
return null;
}
E item = front.getElement();
front = front.getNext();
// if we had only one element
if(front == null){
back = null;
}
N--;
return item;
}
/*
* Look at the front of the queue and return it, without removing
*/
public E peek(){
if(back == null)
return null;
return back.getElement();
}
//returns the size of the queue
public int size(){
return N;
}
public boolean isEmpty(){
return front==null;
}
}
########### Palindrome.java ############
import java.util.Scanner;
public class Palindrome
{
public static void main(String[ ] args)
{
Scanner input = new Scanner(System.in);
String inputString;
System.out.print(\"Please enter your string: \");
inputString = input.next( );
if (isPalindrome( inputString )){
System.out.println(\"Yes it is a palindrome.\");
}
else{
System.out.println(\"No this is not a palindrome.\");
}
}
public static boolean isPalindrome(String input)
{
Queue q = new Queue ();
Stack s = new Stack ();
char letter;
int i;
for (i = 0; i < input.length( ); i++)
{
letter = input.charAt(i);
q.enqueue(letter);
s.push(letter);
}
while (!q.isEmpty( ))
{
if (q.dequeue() != s.pop( ))
return false;
}
return true;
}
}
/*
Sample Output:
Please enter your string: MadaM
Yes it is a palindrome.
*/
Solution
Hi, Please find my code.
I have correted all of your classes.
Pl.
@author Derek Harter @cwid 123 45 678 @class .docx
@author Derek Harter @cwid 123 45 678 @class .docxadkinspaige22 /**
* @author Derek Harter
* @cwid 123 45 678
* @class
* @ide Visual Studio Community 2017
* @date
* @assg C++ Stacks videos
*
* @description A Stack ADT with two concrete impelementation
* examples: an array based stack implementaiton (AStack), and
* a linked list based implementation (LStack).
*/
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
//-------------------------------------------------------------------------
/** stack (base class)
* The basic definition of the Stack Abstract Data Type (ADT)
* and stack operations. All declared functions here are
* virtual, they must be implemented by concrete derived
* classes.
*/
template <class T>
class Stack
{
public:
/** clear
* Method to clear out or empty any items on stack,
* put stack back to empty state.
* Postcondition: Stack is empty.
*/
virtual void clear() = 0;
/** isEmpty
* Function to determine whether the stack is empty. Needed
* because it is undefined to pop from empty stack. This
* function will not change the state of the stack (const).
*
* @returns bool true if stack is empty, false otherwise.
*/
virtual bool isEmpty() const = 0;
/** push
* Add a new item onto top of stack.
*
* @param newItem The item of template type T to push on top of
* the current stack.
*/
virtual void push(const T& newItem) = 0;
/** top
* Return the top item from the stack. Note in this ADT, peeking
* at the top item does not remove the top item. Some ADT combine
* top() and pop() as one operation. It is undefined to try and
* peek at the top item of an empty stack. Derived classes should
* throw an exception if this is attempted.
*
* @returns T Returns the top item from stack.
*/
virtual T top() const = 0;
/** pop
* Remove the item from the top of the stack. It is undefined what
* it means to try and pop from an empty stack. Derived classes should
* throw an exception if pop() from empty is attempted.
*/
virtual void pop() = 0;
/** size
* Accessor method to provide the current size of the stack.
*/
virtual int size() const = 0;
/** tostring
* Represent stack as a string
*/
virtual string tostring() const = 0;
// operload operators, mostly to support boolean comparison between
// two stacks for testing
bool operator==(const Stack<T>& rhs) const;
virtual const T& operator[](int index) const = 0;
// overload output stream operator for all stacks using tostring()
template <typename U>
friend ostream& operator<<(ostream& out, const Stack<U>& aStack);
};
/** Stack equivalence
* Compare two given stacks to determine if they are equal or not.
* stacks are equal if they are both of the same size, and each corresponding
* item on each stack is equal at the same position on the stack.
* This function relies on overloaded operator[] to access items on stack
* by index for the comparis.
Look at situations such as radiological- nuclear accidents- technologi.docx
Look at situations such as radiological- nuclear accidents- technologi.docxVictorXUQGloverl Look at situations such as radiological, nuclear accidents, technological disasters (electromagnetic pulse), and hazardous material spills. -At what point does a technological or man-made event become labeled a disaster? -How well do you think the United States is prepared for a disaster like the one you selected? Support your answer with evidence from scholarly sources.
.
Learning Activity 16-1- Innate Immune Defenses in Different Cases List.docx
Learning Activity 16-1- Innate Immune Defenses in Different Cases List.docxVictorXUQGloverl Learning Activity 16-1: Innate Immune Defenses in Different Cases List at least two innate immune defenses that would be encountered by a pathogen entering in each of the following scenarios. Keep in mind that not all immune defense will be able to work for every situation! 1. Ouch! You step on a sharp piece of glass and Staphylococcus bacteria enter the wound. (Here we can assume that the physical barrier of the skin has been bypassed.) 2. Yuck! You eat undercooked pork and Trichinella worms enter your digestive tract. 3. Catheter problems! Your patient's urinary catheter becomes contaminated with E. coll bacteria. 4. Pinkeye outbreak! Your child rubs Haemophilus influenza bacteria into their eye. 5. Ah-chooo! A coworker sneezes and you breathe in influenza virus from their sneeze. 6. Sneaker attack! You get athlete's foot when Tinea pedis fungi start growing in between your toes. 7. Bonus question: Sometimes immune defenses are the things that cause some signs and symptoms of disease. Can you identify at least one innate immune defense from your previous answers that might be involved in signs and symptoms of disease? How would it be shown or experienced by the pattent?
.
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/**
* LinkedList.java
*
* Replace all //TODO tags with your code
*
* Note that below the "//TODO" tag there may be
* something like "return null;", "return 0;", etc.
* That line is just "stubbed in" so the class
* will compile. When you add your code (one or many
* statements), you will want to delete the "stubbed" line.
* By "stubbed in" we mean "mocked" or "faked in" temporarily.
*
* When testing, construct using the static factory methods:
LinkedList.newEmpty()
LinkedList.from(arrayElements)
*/
package model.list;
import java.lang.reflect.Array;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import model.linearpub.DynamicList;
import model.linearpub.StructureIterator;
//This class is NOT java.util.LinkedList
public class LinkedList<E> implements DynamicList<E> {
//---------------------------------
// Instance Variables
//TODO - declare instance variable(s)
//---------------------------------
// Private Constructor
/** Constructs and returns new LinkedList (no args constructor) */
private LinkedList() {
}
//-------------------- List Statistics ---------------------
/**
* Return number of elements in this list.
*/
@Override
public int size() {
//TODO
return 0;
}
/**
* Return true is this list contains no elements.
*/
@Override
public boolean isEmpty() {
//TODO
return false;
}
//------------------ Accessing Elements --------------------
/**
* Return element at given index.
* Throws IndexOutOfBoundsException if passed index is invalid.
*/
@Override
public E get(int index) {
//TODO
return null;
}
/**
* Return first element
* Throws RuntimeException if list is empty
*/
@Override
public E first() {
//TODO
return null;
}
/**
* Return last element
* Throws RuntimeException if list is empty
*/
@Override
public E last() {
//TODO
return null;
}
/**
* Return a new list containing the elements of this list
* between the given index "start" (inclusive) and
* the given index "stop" (exclusive).
* Throws IndexOutOfBoundsException if either passed index is invalid.
*/
@Override
public DynamicList<E> subList(int start, int stop) {
//TODO
return null;
}
/**
* Return index of first matching element (where searchFct outputs true)
* Return -1 if no match
* Example usage (first list of integers, then employees):
* index = list.find(eaInteger -> eaInteger == 10);
* index = employeeList.find(employee -> employee .getFirstName().equals("Kofi"));
*/
@Override
public int findFirst(Function<E, Boolean> searchFct) {
//TODO
return 0;
}
/**
* Return index of last matching element (where searchFct outputs true)
* E.g., if searching for employee with name "Kofi" and there is a match
* at index=3 and index=8, findLast will return 8 (the last matching index).
* Hint: start search at end of list and work backwards through list.
* Return -1 if no match
*/
@Override
public int findLast(Function<E, Boolean> searchFct.
Please do parts labeled TODO LinkedList.java Replace.pdf
Please do parts labeled TODO LinkedList.java Replace.pdfaioils Please do parts labeled TODO
/**
* LinkedList.java
*
* Replace all //TODO tags with your code
*
* Note that below the "//TODO" tag there may be
* something like "return null;", "return 0;", etc.
* That line is just "stubbed in" so the class
* will compile. When you add your code (one or many
* statements), you will want to delete the "stubbed" line.
* By "stubbed in" we mean "mocked" or "faked in" temporarily.
*
* When testing, construct using the static factory methods:
LinkedList.newEmpty()
LinkedList.from(arrayElements)
*/
package model.list;
import java.lang.reflect.Array;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.function.BiFunction;
import java.util.function.Consumer;
import java.util.function.Function;
import model.linearpub.DynamicList;
import model.linearpub.StructureIterator;
//This class is NOT java.util.LinkedList
public class LinkedList implements DynamicList {
//---------------------------------
// Instance Variables
//TODO - declare instance variable(s)
//---------------------------------
// Private Constructor
/** Constructs and returns new LinkedList (no args constructor) */
private LinkedList() {
}
//-------------------- List Statistics ---------------------
/**
* Return number of elements in this list.
*/
@Override
public int size() {
//TODO
return 0;
}
/**
* Return true is this list contains no elements.
*/
@Override
public boolean isEmpty() {
//TODO
return false;
}
//------------------ Accessing Elements --------------------
/**
* Return element at given index.
* Throws IndexOutOfBoundsException if passed index is invalid.
*/
@Override
public E get(int index) {
//TODO
return null;
}
/**
* Return first element
* Throws RuntimeException if list is empty
*/
@Override
public E first() {
//TODO
return null;
}
/**
* Return last element
* Throws RuntimeException if list is empty
*/
@Override
public E last() {
//TODO
return null;
}
/**
* Return a new list containing the elements of this list
* between the given index "start" (inclusive) and
* the given index "stop" (exclusive).
* Throws IndexOutOfBoundsException if either passed index is invalid.
*/
@Override
public DynamicList subList(int start, int stop) {
//TODO
return null;
}
/**
* Return index of first matching element (where searchFct outputs true)
* Return -1 if no match
* Example usage (first list of integers, then employees):
* index = list.find(eaInteger -> eaInteger == 10);
* index = employeeList.find(employee -> employee .getFirstName().equals("Kofi"));
*/
@Override
public int findFirst(Function searchFct) {
//TODO
return 0;
}
/**
* Return index of last matching element (where searchFct outputs true)
* E.g., if searching for employee with name "Kofi" and there is a match
* at index=3 and index=8, findLast will return 8 (the last matching index).
* Hint: start search at end of list and work backwards through list.
* Return -1 if no match
*/
@Override
public int findLast(Function searchFct) {
//TODO
return 0;
}
//------------------- Setting Elem.
package ADTs public interface CollectionADTltTgt .pdf
package ADTs public interface CollectionADTltTgt .pdfsyedabdul78662 This document defines interfaces for common abstract data types (ADTs) like collections, lists, and queues. It also provides an implementation of an array-based queue and unit tests for that implementation. The interfaces define common methods for the ADTs, like adding/removing elements, checking for emptiness, and retrieving sizes. The array queue implementation and tests demonstrate how the queue ADT can be constructed using an array to store elements.
New folderjsjfArrayStack.classpackage jsjf;publicsynchronize.docx
New folderjsjfArrayStack.classpackage jsjf;publicsynchronize.docxcurwenmichaela New folder/jsjf/ArrayStack.classpackage jsjf;
publicsynchronizedclass ArrayStack implements StackADT {
privatestaticfinal int DEFAULT_CAPACITY = 100;
private int top;
private Object[] stack;
public void ArrayStack();
public void ArrayStack(int);
public void push(Object);
private void expandCapacity();
public Object pop() throws exceptions.EmptyCollectionException;
public Object peek() throws exceptions.EmptyCollectionException;
public int size();
public boolean isEmpty();
public String toString();
}
New folder/jsjf/ArrayStack.javaNew folder/jsjf/ArrayStack.javapackage jsjf;
import jsjf.exceptions.*;
import java.util.Arrays;
// -------------------------------------------------------
// Author: Yifu Wu
// Date: 03/10/16
// Source Name: ArrayStack<T>
// Due date: 03/10/16
// Description:
/**
* An array implementation of a stack in which the bottom of the
* stack is fixed at index 0.
*
* @author Java Foundations
* @version 4.0
*/
publicclassArrayStack<T>implementsStackADT<T>
{
privatefinalstaticint DEFAULT_CAPACITY =100;
privateint top;
private T[] stack;
/**
* Creates an empty stack using the default capacity.
*/
publicArrayStack()
{
this(DEFAULT_CAPACITY);
}
/**
* Creates an empty stack using the specified capacity.
* @param initialCapacity the initial size of the array
*/
publicArrayStack(int initialCapacity)
{
top =0;
stack =(T[])(newObject[initialCapacity]);
}
/**
* Adds the specified element to the top of this stack, expanding
* the capacity of the array if necessary.
* @param element generic element to be pushed onto stack
*/
publicvoid push(T element)
{
if(size()== stack.length)
expandCapacity();
stack[top]= element;
top++;
}
/**
* Creates a new array to store the contents of this stack with
* twice the capacity of the old one.
*/
privatevoid expandCapacity()
{
//stack = Arrays.copyOf(stack, stack.length * 2);
System.out.println("Expanding stack capacity\n");
T[] temp =(T[])(newObject[2*top]);
for(int i=0; i< top; i++)
temp[i]= stack[i];
stack = temp;
}
/**
* Removes the element at the top of this stack and returns a
* reference to it.
* @return element removed from top of stack
* @throws EmptyCollectionException if stack is empty
*/
public T pop()throwsEmptyCollectionException
{
if(isEmpty())
thrownewEmptyCollectionException("stack");
top--;
T result = stack[top];
stack[top]=null;
return result;
}
/**
* Returns a reference to the element at the top of this stack.
* The element is not removed from the stack.
* @return element on top of stack
* @throws EmptyCollectionException if stack is empty
*/
public T peek()throwsEmptyCollectionException
{
if(isEmpty())
thrownewEmptyCollectionException("stack");
return stack[top-1];
}
/**
* Returns the number of elements in ...
Given below is the completed implementation of MyLinkedList class. O.pdf
Given below is the completed implementation of MyLinkedList class. O.pdfinfo430661 Given below is the completed implementation of MyLinkedList class. Other classes are not
modified and remain same as in question - MyList, MyAbstractList, TestMyLinkedList.
The output of TestMyLinkedList is shown below. Please don\'t forget to rate the answer if it
helped. Thank you very much.
Since the MyList is not completely pasted in the question ... giving the complete class file below
MyList.java
public interface MyList> extends java.lang.Iterable
{
// Add a new element at the end of this list
public void add (E e);
// Add a new element at specified index in this list
public void add (int index, E e);
// Return true if this list contains the element
public boolean contains (E e);
// Return the element at the specified index
public E get (int index);
// Return the index of the first matching element
// Return -1 if no match.
public int indexOf (E e);
// Return the index of the last matching element
// Return -1 if no match.
public int lastIndexOf (E e);
E remove(int index);
void clear();
E set(int index, E e);
}
MyLinkedList.java
public class MyLinkedList> extends MyAbstractList
implements Comparable>
{
private Node head, tail; // head and tail pointers
// Create a default list
public MyLinkedList()
{
}
public int size()
{
return size;
}
// Need this for implementing Comparable
public int compareTo (MyLinkedList e)
{
return(size() - e.size());
}
// Create a list from an array of objects
public MyLinkedList (E[] objects)
{
super(objects); // Passes the array up to abstract parent
}
// Return the head element in the list
public E getFirst()
{
if (size == 0)
{
return null;
}
else
{
return head.element;
}
}
// Return the last element in the list
public E getLast()
{
if (size == 0)
{
return null;
}
else
{
return tail.element;
}
}
// Add an element to the beginning of the list
public void addFirst (E e)
{
// Create a new node for element e
Node newNode = new Node(e);
newNode.next = head; // link the new node with the head
head = newNode; // head points to the new node
size++; // Increase list size
if (tail == null) // new node is only node
{
tail = head;
}
}
// Add an element to the end of the list
public void addLast (E e)
{
// Create a new node for element e
Node newNode = new Node(e);
if (tail == null)
{
head = tail = newNode; // new node is only node
}
else
{
tail.next = newNode; // Link the new with the last node
tail = tail.next; // tail now points to the last node
}
size++; // Increase size
}
// Remove the head node and
// return the object from the removed node
public E removeFirst()
{
if (size == 0)
{
return null;
}
else
{
Node temp = head;
head = head.next;
size--;
if (head == null)
{
tail = null;
}
return temp.element;
}
}
// Remove the last node and return the object from it
public E removeLast()
{
if (size == 0)
{
return null;
}
else if (size == 1)
{
Node temp = head;
head = tail = null;
size = 0;
return temp.element;
}
else
{
Node current = head;
for (int i = 0; i < size - 2; i++)
{
current = current.next;
}
Node temp = tail;
tai.
Using NetBeansImplement a queue named QueueLL using a Linked List .pdf
Using NetBeansImplement a queue named QueueLL using a Linked List .pdfsiennatimbok52331 Using NetBeans
Implement a queue named QueueLL using a Linked List (same as we did for the stack). This
implementation must be used in all the following problems.
Implement a queue QueueST using a stack (use StackLL).
Test your implementations in the main with examples.
Solution
Answer:-
import java.util.*;
/* Class Node */
class Node
{
protected int data;
protected Node link;
/* Constructor */
public Node()
{
link = null;
data = 0;
}
/* Constructor */
public Node(int d,Node n)
{
data = d;
link = n;
}
/* Function to set link to next Node */
public void setLink(Node n)
{
link = n;
}
/* Function to set data to current Node */
public void setData(int d)
{
data = d;
}
/* Function to get link to next node */
public Node getLink()
{
return link;
}
/* Function to get data from current Node */
public int getData()
{
return data;
}
}
/* Class linkedQueue */
class linkedQueue
{
protected Node front, rear;
public int size;
/* Constructor */
public linkedQueue()
{
front = null;
rear = null;
size = 0;
}
/* Function to check if queue is empty */
public boolean isEmpty()
{
return front == null;
}
/* Function to get the size of the queue */
public int getSize()
{
return size;
}
/* Function to insert an element to the queue */
public void insert(int data)
{
Node nptr = new Node(data, null);
if (rear == null)
{
front = nptr;
rear = nptr;
}
else
{
rear.setLink(nptr);
rear = rear.getLink();
}
size++ ;
}
/* Function to remove front element from the queue */
public int remove()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
Node ptr = front;
front = ptr.getLink();
if (front == null)
rear = null;
size-- ;
return ptr.getData();
}
/* Function to check the front element of the queue */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
return front.getData();
}
/* Function to display the status of the queue */
public void display()
{
System.out.print(\"\ Queue = \");
if (size == 0)
{
System.out.print(\"Empty\ \");
return ;
}
Node ptr = front;
while (ptr != rear.getLink() )
{
System.out.print(ptr.getData()+\" \");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedQueueImplement */
public class LinkedQueueImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class linkedQueue */
linkedQueue lq = new linkedQueue();
/* Perform Queue Operations */
System.out.println(\"Linked Queue Test\ \");
char ch;
do
{
System.out.println(\"\ Queue Operations\");
System.out.println(\"1. insert\");
System.out.println(\"2. remove\");
System.out.println(\"3. peek\");
System.out.println(\"4. check empty\");
System.out.println(\"5. size\");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println(\"Enter integer element to insert\");
lq.insert( scan.nextInt() );
break;
case 2 :
try
{
System.out.println(\"Removed Element = \"+ lq.remove());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 3 .
STAGE 2 The Methods 65 points Implement all the methods t.pdf
STAGE 2 The Methods 65 points Implement all the methods t.pdfbabitasingh698417 STAGE 2: The Methods (65 points) Implement all the methods that are marked as Left as
Exercise. The Driver program only works when you have done all the methods. I have added the
template of all the methods with a placeholder value as return types of the methods. For example,
return 0 if method returns an int value.
List of the methods left as exercise are as follows: /** Create a list from an array of objects */
@SuppressWarnings("unchecked") public MyLinkedList(E[] objects) /** Add a new element at the
specified index in this list in ascending order */ public void addInOrder(E e) /** Check to see if this
list contains element e */ public boolean contains(E e) /** Remove all the occurrences of the
element e * from this list. Return true if the element is * removed. */ public boolean removeAll(E e)
/** Remove the first occurrence of the element e * from this list. Return true if the element is *
removed. */ public boolean remove(E e) /** Return the element at the specified index */ public E
get(int index) /** Return the index of the head matching element in * this list. Return -1 if no match.
*/ public int indexOf(Object e) /** Return the index of the last matching element in * this list. Return
-1 if no match. */ public int lastIndexOf(E e) /** Replace the element at the specified position * in
this list with the specified element. */ public E set(int index, E e) /** Print this list using recursion */
public void printList() /** Returns an array containing all of the elements * in this collection; * the
runtime type of the returned array is that of * the specified array. */ public <E> E[] toArray(E[]
array) /** Split the original list in half. The original * list will continue to reference the * front half of
the original list and the method * returns a reference to a new list that stores the * back half of the
original list.
public class MyLinkedList<E extends Comparable<E>> {
private Node<E> head, tail;
private int size = 0; // Number of elements in the list
public MyLinkedList() {
head=tail=null;
size=0;
}
/** Return the head element in the list */
public E getFirst() {
if (size == 0) {
return null;
}
else {
return head.element;
}
}
/** Return the last element in the list */
public E getLast() {
if (size == 0) {
return null;
}
else {
return tail.element;
}
}
/** Add an element to the beginning of the list */
public void addFirst(E e) {
Node<E> newNode = new Node<>(e); // Create a new node
newNode.next = head; // link the new node with the head
head = newNode; // head points to the new node
size++; // Increase list size
if (tail == null) // the new node is the only node in list
tail = head;
}
/** Add an element to the end of the list */
public void addLast(E e) {
Node<E> newNode = new Node<>(e); // Create a new for element e
if (tail == null) {
head = tail = newNode; // The new node is the only node in list
}
else {
tail.next = newNode; // Link the new with the last node
tail = newNode; // tail now points to the last node
}
size++; // Incr.
Please complete all the code as per instructions in Java programming.docx
Please complete all the code as per instructions in Java programming.docxcgraciela1 Please complete all the code as per instructions in Java programming import org.w3c.dom.Node; import javax.xml.crypto.NodeSetData; import java.awt.*; import java.util.Iterator; import java.util.NoSuchElementException; /** * This class implements an acyclic (non-cyclic), doubly-linked list. * @param */ public class CiscDoublyLinkedList implements CiscList { /** * A reference to the first node in the list (or null if list is empty). */ private Node head; /** * A reference to the last node int the list (or null if list is empty). */ private Node tail; /** * Number of elements in the list. */ private int size; /** * Returns the number of elements in this list. * * * @return the number of elements in this list */ @Override public int size() { return size; } /** * Returns {@code true} if this list contains no elements. * * * @return {@code true} if this list contains no elements */ @Override public boolean isEmpty() { if (size == 0){ return true; } return false; } /** * Returns {@code true} if this list contains the specified element (compared using the {@code equals} method). * * * @param o element whose presence in this list is to be tested * @return {@code true} if this list contains the specified element * @throws NullPointerException if the specified element is null */ @Override public boolean contains(Object o) { if(o == null) { throw new NullPointerException(); } Node node = head; while(node != null) { if(node.data.equals(o)){ return true; } node = node.next; } return false; } /** * Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not * contain the element (compared using the {@code equals} method). * * * @param o element to search for * @return the index of the first occurrence of the specified element in this list, or -1 if this list does not * contain the element * @throws NullPointerException if the specified element is null */ @Override public int indexOf(Object o) { if (o == null){ throw new NullPointerException(); } for(int i =0; i = size){ throw new IndexOutOfBoundsException(); } return null; } /** * Appends the specified element to the end of this list. * * *
Lists may place the specified element at arbitrary locations if desired. In particular, an ordered list will * insert the specified element at its sorted location. List classes should clearly specify in their documentation * how elements will be added to the list if different from the default behavior (end of this list). * * @param e element to be appended to this list * @return {@code true} * @throws NullPointerException if the specified element is null */ @Override public boolean add(E e) { if(e == null){ throw new NullPointerException(); } return false; } /** * Replaces the element at the specified position in this list with the specified element. * * * @param index index of the element to replace * @param element element to be stored at the specified position * @return the element previously at the specified position *.
EmptyCollectionException-java -- - Represents the situation in which.docx
EmptyCollectionException-java -- - Represents the situation in which.docxBlakeSGMHemmingss EmptyCollectionException.java
/*
* Represents the situation in which a collection is empty.
*/
public class EmptyCollectionException extends RuntimeException
{
/* General class level objects */
/*
* Sets up this exception with an appropriate message.
* @param collection the name of the collection
*/
public EmptyCollectionException(String collection)
{
super("The " + collection + " is empty.");
}
}
PriorityNode.java
/*
* Represents a node in a linked list.
*/
public class PriorityNode<T>
{
/* General class level objects */
private PriorityNode<T> _next;
private T _element;
private int _priority;
private final int _MAX_PRIORITY = 100;
/*
* Creates an empty node with a given priority.
*/
public PriorityNode(T elem, int priority)
{
// TODO To be completed as a Programming Project
}
/*
* Creates a node storing the specified element with a default priority.
*
* @param elem element to be stored
*/
public PriorityNode(T elem)
{
// TODO To be completed as a Programming Project
}
/*
* Returns the node that follows this one.
*
* @return reference to next node
*/
public PriorityNode<T> getNext()
{
// TODO To be completed as a Programming Project
}
/*
* Sets the node that follows this one.
*
* @param node node to follow this one
*/
public void setNext(PriorityNode<T> node)
{
// TODO To be completed as a Programming Project
}
/*
* Returns the element stored in this node.
*
* @return element stored at the node
*/
public T getElement()
{
// TODO To be completed as a Programming Project
}
/*
* Returns the priority of this node.
*
* @return element priority the node
*/
public int getPriority()
{
// TODO To be completed as a Programming Project
}
/*
* Sets the element stored in this node.
*
* @param elem element to be stored at this node
*/
public void setElement(T elem)
{
// TODO To be completed as a Programming Project
}
/*
* optional toString() override.
*/
//public String toString()
//{
// // TODO To be completed as a Programming Project
//}
}
PriorityQueue.java
/*
* LinkedQueue represents a linked implementation of a queue.
*/
public class PriorityQueue<T> implements PriorityQueueADT<T>
{
/* General class level objects */
private int _count;
private PriorityNode<T> _head, _tail;
/*
* Constructor - Creates an empty queue.
*/
public PriorityQueue()
{
_count = 0;
_head = _tail = null;
}
/*
* Adds one element to the rear of this queue.
* Higher priorities are inserted closer to the front of the queue
* Items with the same priority are processed in normal queue order
*
* @param element the element to be added to the rear of the queue
* @param priority relative priority of the queue item
*/
public void enqueue(T element, int priority)
{
// TODO To be completed as a Programming Project
// add in-order insertion of the PriorityNode based on getPriority() value
// the higher the priority is the closer to head it gets
// equivalent priority is normal .
Posfix
PosfixFajar Baskoro This document contains the code for three Java classes: Stack, Queue, and Postfix. Stack and Queue define basic LIFO and FIFO data structures using a List to store elements. Postfix defines a class to convert infix arithmetic expressions to postfix notation by using Stacks and Queues to process operator precedence.
Please review my code (java)Someone helped me with it but i cannot.pdf
Please review my code (java)Someone helped me with it but i cannot.pdffathimafancyjeweller Please make it to clear 12-95. The basketball passed through the hoop even though it barely
cleared the hands of the player B who attempted to block it. Neglecting the size of the ball,
determine the magnitude vn of its initial velocity and the height h of the ball when it passes over
player B 10 ft 5 ft Prob. 12-95
Solution
Consider the motion along horizontal direction
Vox = initial velocity in horizontal direction = Va Cos30
X = horizontal distance = 25 + 3 = 28 ft
t = time taken
t = X / Vox = 28/(Va Cos30) eq-1
consider the motion in vertical direction
Y = vertical displacement = 10 - 7 = 3 ft
a = acceleration = - 32.2
Voy = initial velocity = Va Sin30
t = time taken
using the equation
Y = Voy t + (0.5) a t2
3 = (Va Sin30) (28/(Va Cos30)) + (0.5) (- 32.2) (28/(Va Cos30))2
Va = 35.8 m/s
t\' = time taken to reach B = 25 / (Va Cos30) = 25 / (35.8 Cos30) = 0.81 sec
h = 7 + Voy t\' + (0.5) a t\'2
h = 7 + (35.8 Sin30) (0.81) + (0.5) (- 32.2) (0.81)2
h = 10.94 ft.
For the code below complete the preOrder() method so that it perform.pdf
For the code below complete the preOrder() method so that it perform.pdfxlynettalampleyxc For the code below complete the preOrder() method so that it performs a preOrder traversal of
the tree. For each node it traverses, it should call sb.append() to add a \"[\" the results of
traversing the subtree rooted at that node, and then a \"]\". You should add a space before the
results of the left and right child traversals, but only if the node exists.
code:
Solution
In preorder Nodes visited are in the order of
code:
package edu.buffalo.cse116;
import java.util.AbstractSet;
import java.util.Iterator;
public class BinarySearchTree> extends AbstractSet {
protected Entry root;
protected int size;
/**
* Initializes this BinarySearchTree object to be empty, to contain only
* elements of type E, to be ordered by the Comparable interface, and to
* contain no duplicate elements.
*/
public BinarySearchTree() {
root = null;
size = 0;
}
/**
* Initializes this BinarySearchTree object to contain a shallow copy of a
* specified BinarySearchTree object. The worstTime(n) is O(n), where n is the
* number of elements in the specified BinarySearchTree object.
*
* @param otherTree - the specified BinarySearchTree object that this
* BinarySearchTree object will be assigned a shallow copy of.
*/
public BinarySearchTree(BinarySearchTree otherTree) {
root = copy(otherTree.root, null);
size = otherTree.size;
}
/* Method to complete is here! */
public void preOrder(Entry ent, StringBuilder sb) {
preorder(root)
protected Entry copy(Entry p, Entry parent) {
if (p != null) {
Entry q = new Entry(p.element, parent);
q.left = copy(p.left, q);
q.right = copy(p.right, q);
return q;
}
return null;
} // method copy
@SuppressWarnings(\"unchecked\")
@Override
public boolean equals(Object obj) {
if (!(obj instanceof BinarySearchTree)) {
return false;
}
return equals(root, ((BinarySearchTree) obj).root);
}
public boolean equals(Entry p, Entry q) {
if ((p == null) || (q == null)) {
return p == q;
}
if (!p.element.equals(q.element)) {
return false;
}
if (equals(p.left, q.left) && equals(p.right, q.right)) {
return true;
}
return false;
}
/**
* Returns the size of this BinarySearchTree object.
*
* @return the size of this BinarySearchTree object.
*/
@Override
public int size() {
return size;
}
/**
* Iterator method will be implemented for a future
*
* @return an iterator positioned at the smallest element in this
* BinarySearchTree object.
*/
@Override
public Iterator iterator() {
throw new UnsupportedOperationException(\"Not implemented yet!\");
}
/**
* Determines if there is at least one element in this BinarySearchTree object
* that equals a specified element. The worstTime(n) is O(n) and
* averageTime(n) is O(log n).
*
* @param obj - the element sought in this BinarySearchTree object.
* @return true - if there is an element in this BinarySearchTree object that
* equals obj; otherwise, return false.
* @throws ClassCastException - if obj cannot be compared to the elements in
* this BinarySearchTree object.
* @throws NullPointerException - if obj is null.
*/
@Override
public .
Note- Can someone help me with the Public boolean add(E value) method.pdf
Note- Can someone help me with the Public boolean add(E value) method.pdfStewart29UReesa Note: Can someone help me with the Public boolean add(E value) method and Private void
add(E value,Node n) method. I have everything but it is not working. Also need help with the
remove methods. Both public and private methods for remove. package edu.ust.cisc; import
java.util.Iterator; import java.util.NoSuchElementException; public class CiscSortedLinkedList
> implements CiscList { /** * A reference to this list's dummy node. Its next reference should
refer to the node containing the first element * in this list, or it should refer to itself if the list is
empty. The next reference within the node containing * the last element in this list should refer to
dummy, thus creating a cyclic list. */ private Node dummy; /** * Number of elements in the list.
*/ private int size; /** * Constructs an empty CiscSortedLinkedList instance with a non-null
dummy node whose next reference refers to * itself. */ public CiscSortedLinkedList() { dummy
= new Node<>(null, null); dummy.next = dummy; } /** * Returns the number of elements in
this list. * * @return the number of elements in this list */ @Override public int size() { return
size; } /** * Returns {@code true} if this list contains no elements. * * @return {@code true} if
this list contains no elements */ @Override public boolean isEmpty() { return size==0; } /** *
Returns {@code true} if this list contains the specified element (compared using the {@code
equals} method). * This implementation should stop searching as soon as it is able to determine
that the specified element is not * present. * @param o element whose presence in this list is to
be tested * @return {@code true} if this list contains the specified element * @throws
NullPointerException if the specified element is null */ @Override public boolean
contains(Object o) { if(o==null){ throw new NullPointerException(); } return
containsHelper(o,dummy.next); } private boolean containsHelper(Object o, Node node){
if(node== dummy){ return false; } else if(o.equals(node.data)){ return true; } else{ return
containsHelper(o,node.next); } } /** * Returns an iterator over the elements in this list in proper
sequence. * * @return an iterator over the elements in this list in proper sequence */ @Override
public Iterator iterator() { //return new Iterator (){ //private Node curr = dummy.next; //private
Node prev = dummy; //private boolean canRemove = false; return new CiscLinkedListIterator();
} /** * Returns an array containing all of the elements in this list in proper sequence (from first
to last element). * *
The returned array will be "safe" in that no references to it are maintained by this list. (In other
words, * this method must allocate a new array even if this list is backed by an array). The caller
is thus free to modify * the returned array. * * @return an array containing all of the elements in
this list in proper sequence */ @Override public Object[] toArray() { Object[] arr = new
Object[size]; int i = 0; for(Node current = dummy;curren.
(674335607) cs2309 java-lab-manual
(674335607) cs2309 java-lab-manualChandrapriya Jayabal This document describes a Java program to implement a stack data structure using both an array and linked list. It defines a Stack interface and ArrayStack and LinkedListStack classes that implement the stack. The ArrayStack uses an array to store elements while LinkedListStack uses linked list nodes. Methods like push(), pop(), top(), and topAndPop() are implemented to add/remove elements from the stack. Exception handling is included for empty stack cases. Sample code tests inserting characters and numbers into both stack implementations.
File LinkedList.java Defines a doubly-l.pdf
File LinkedList.java Defines a doubly-l.pdfConint29 File: LinkedList.java
/**
* Defines a doubly-linked list class
*/
import java.util.NoSuchElementException;
public class LinkedList {
private class Node {
private T data;
private Node next;
private Node prev;
public Node(T data) {
this.data = data;
this.next = null;
this.prev = null;
}
}
private int length;
private Node first;
private Node last;
private Node iterator;
/**** CONSTRUCTORS ****/
/**
* Instantiates a new LinkedList with default values
* @postcondition
*/
public LinkedList() {
}
/**
* Converts the given array into a LinkedList
* @param array the array of values to insert into this LinkedList
* @postcondition
*/
public LinkedList(T[] array) {
}
/**
* Instantiates a new LinkedList by copying another List
* @param original the LinkedList to copy
* @postcondition a new List object, which is an identical,
* but separate, copy of the LinkedList original
*/
public LinkedList(LinkedList original) {
}
/**** ACCESSORS ****/
/**
* Returns the value stored in the first node
* @precondition
* @return the value stored at node first
* @throws NoSuchElementException
*/
public T getFirst() throws NoSuchElementException {
return null;
}
/**
* Returns the value stored in the last node
* @precondition
* @return the value stored in the node last
* @throws NoSuchElementException
*/
public T getLast() throws NoSuchElementException {
return null;
}
/**
* Returns the data stored in the iterator node
* @precondition
* @return the data stored in the iterator node
* @throw NullPointerException
*/
public T getIterator() throws NullPointerException {
return null;
}
/**
* Returns the current length of the LinkedList
* @return the length of the LinkedList from 0 to n
*/
public int getLength() {
return -1;
}
/**
* Returns whether the LinkedList is currently empty
* @return whether the LinkedList is empty
*/
public boolean isEmpty() {
return false;
}
/**
* Returns whether the iterator is offEnd, i.e. null
* @return whether the iterator is null
*/
public boolean offEnd() {
return false;
}
/**** MUTATORS ****/
/**
* Creates a new first element
* @param data the data to insert at the front of the LinkedList
* @postcondition
*/
public void addFirst(T data) {
return;
}
/**
* Creates a new last element
* @param data the data to insert at the end of the LinkedList
* @postcondition
*/
public void addLast(T data) {
return;
}
/**
* Inserts a new element after the iterator
* @param data the data to insert
* @precondition
* @throws NullPointerException
*/
public void addIterator(T data) throws NullPointerException{
return;
}
/**
* removes the element at the front of the LinkedList
* @precondition
* @postcondition
* @throws NoSuchElementException
*/
public void removeFirst() throws NoSuchElementException {
return;
}
/**
* removes the element at the end of the LinkedList
* @precondition
* @postcondition
* @throws NoSuchElementException
*/
public void removeLast() throws NoSuchElementException {
return;
}
/**
* removes the element referenced by the iterator
* @precondition
* @pos.
Implementation The starter code includes List.java. You should not c.pdf
Implementation The starter code includes List.java. You should not c.pdfmaheshkumar12354 Implementation The starter code includes List.java. You should not change anything in List.java.
Your task will be to create LinkedList.java, make LinkedList use generics and inherit from List,
and complete several methods in LinkedList.java. Create LinkedList.java in IntelliJ. Add a main
method to LinkedList.java containing the following code. Your program will not compile again.
public static void main(String[] args) { LinkedList list = new LinkedList();
System.out.println(list.getHead()); System.out.println(list.getTail()); list.add("first");
list.add("middle"); list.add("last"); System.out.println(list.getHead().value);
System.out.println(list.getTail().value); System.out.println(list); } The first issue is that your
LinkedList class does not have a way of specifying what type of data it should store. You can fix
this using Java Generics. Change the first line of your class to the following: LinkedList .
Confirm that the first line in your main method no longer has an error. On the line that declares
the LinkedList class, add extends List before the bracket that begins the class. The first line in
your class will now have a compile error because LinkedList does not implement the methods
required by the List abstract class. Press Ctrl-i to have IntelliJ insert stubs of these methods.
Ensure that Copy JavaDoc is selected so you get JavaDoc comments which describe the method
requirements, then click OK. Your code should now compile again. Next add fields for the head
and tail. These will be of type Node. Create a getHead method which returns your head field, and
a getTail method which returns your tail field. Run your main method now and you will see that
there is a NullPointerException because the add method does not actually add anything to the
list, so head and tail will always be null. Complete the method boolean add(T value) for which
IntelliJ gave you a stub. You need to create a new node with value to add at the end of the list.
This means you will need to connect it to the old tail and update tail to point to the node you
created. Make sure that you handle the case where the list is empty and both head and tail should
be set to the new node you've created. Note: For the full Map I assignment, add will need to
prevent duplicate values being added to the list and should return true or false based on whether
the value was added or not. For this lab, you can ignore this requirement and simply return true.
Add a toString method to your LinkedList class. It should start at the head of your list and
proceed through all the nodes in a loop, combining the values of each node with a comma
between each and square brackets containing the whole thing. When you run your main method,
the final thing printed should be: [first, middle, last] List.java: /** * Specification for a List
ADT. * @author Shubham Chatterjee * @version 03/07/2019 * @param Type */ public abstract
class List { /** * Appends the specified value to the end of this list. * * @para.
Note- Can someone help me with the private E get(int index- int curren (1).docx
Note- Can someone help me with the private E get(int index- int curren (1).docxVictorzH8Bondx Note: Can someone help me with the private E get(int index, int currentIndex, Node n)method. The code is not running. Also I need help with the public void add(int index, E element) method too. Please use the parameters provided with the code to solve. package edu.ust.cisc; import java.util.Iterator; import java.util.NoSuchElementException; public class CiscSortedLinkedList > implements CiscList { /** * A reference to this list's dummy node. Its next reference should refer to the node containing the first element * in this list, or it should refer to itself if the list is empty. The next reference within the node containing * the last element in this list should refer to dummy, thus creating a cyclic list. */ private Node dummy; /** * Number of elements in the list. */ private int size; /** * Constructs an empty CiscSortedLinkedList instance with a non-null dummy node whose next reference refers to * itself. */ public CiscSortedLinkedList() { dummy = new Node<>(null, null); dummy.next = dummy; } /** * Returns the number of elements in this list. * * @return the number of elements in this list */ @Override public int size() { return size; } /** * Returns {@code true} if this list contains no elements. * * @return {@code true} if this list contains no elements */ @Override public boolean isEmpty() { return size==0; } /** * Returns {@code true} if this list contains the specified element (compared using the {@code equals} method). * This implementation should stop searching as soon as it is able to determine that the specified element is not * present. * * @param o element whose presence in this list is to be tested * @return {@code true} if this list contains the specified element * @throws NullPointerException if the specified element is null */ @Override public boolean contains(Object o) { if(o==null){ throw new NullPointerException(); } return containsHelper(o,dummy.next); } private boolean containsHelper(Object o, Node node){ if(node== dummy){ return false; } else if(o.equals(node.data)){ return true; } else{ return containsHelper(o,node.next); } } /** * Returns an iterator over the elements in this list in proper sequence. * * @return an iterator over the elements in this list in proper sequence */ @Override public Iterator iterator() { //return new Iterator (){ //private Node curr = dummy.next; //private Node prev = dummy; //private boolean canRemove = false; return null; } /** * Returns an array containing all of the elements in this list in proper sequence (from first to last element). *
The returned array will be "safe" in that no references to it are maintained by this list. (In other words, * this method must allocate a new array even if this list is backed by an array). The caller is thus free to modify * the returned array. * * @return an array containing all of the elements in this list in proper sequence */ @Override public Object[] toArray() { Object[] arr = new Object[size]; int i = 0; for(Node current = dummy;current!=null;cur.
I need help implementing a Stack with this java programming assignme.pdf
I need help implementing a Stack with this java programming assignme.pdfsauravmanwanicp I need help implementing a Stack with this java programming assignment:
Given a doubly linked list (code provided below) implement a Stack. You must use the doubly
link list class and utilize it as an object in your implementation of the stack.
A Stack is a Last in First Out (LiFO) structure which translates to the processes of outputting the
last element which was inputted in the collection. The Stack is based on the process of putting
things on top of one another and taking the item on top (think of a stack of papers).
Operations to implement:
push (E): Add an element to the start of the sequence
pop: Remove an element from the start of the sequence
Peek: Return the first element of the sequence without removing it
atIndex(x): Return the element at the given index (x) Or throw an exception if it is out of bound
(if you can control the user input then do that instead)
Size: Return the size of the Stack
isEmpty: Boolean, returns true if the Stack is empty
Empty: Empty the Stack
Code Part 1:
public class DoublyLinkedList{
private DNode head;
private DNode tail;
private int size;
public DoublyLinkedList(){ // construct an empty list
this.tail = new DNode (null, null, this.head);
this.head = new DNode (null, this.tail, null);
this.size = 0;
}
public DoublyLinkedList(DNode next){ // constructs a list
// out of a single node
this.tail = new DNode (null, null, next);
this.head = new DNode (null, next, null);
next.changeNext(this.tail);
next.changePrev(this.head);
this.size = 1;
}
public DoublyLinkedList(Object [] objectArray){ // construct a list out of
// an array
this.tail = new DNode (null, null, this.head);
this.head = new DNode (null, this.tail, null);
DNode temp = this.head;
for (Object e : objectArray)
{
//Anonomus function
new DNode (e, temp.getNext(),temp).insertBetweenNodes(temp, temp.getNext());
temp = temp.getNext();
this.size += 1;
}
}
public void addToFrontofList(Object toAdd){ // Appends the begining
// of the list
DNode temp = new DNode (toAdd, this.head.getNext(), this.head);
this.head.getNext().changePrev(temp);
this.head.changeNext(temp);
this.size += 1;
}
public void addToendofList (Object toAdd) // appends the end of the list
// with a node
{
DNode temp = new DNode (toAdd, this.tail, this.tail.getPrev());
this.tail.getPrev().changeNext(temp);
this.tail.changePrev(temp);
this.size += 1;
}
public void insertAfterNode(DNode current, Object input)// Inserts a new
// a new node after
// current node
{
current.insertAfterNode(input);
this.size += 1;
}
public int getSize() // returns the size of the list
{
return this.size;
}
public String toString()
{
String result = \"\";
for (DNode temp = this.head.getNext();
temp.hasNext(); temp = temp.getNext())
{
result += temp.getValue();
result += \" -> \";
}
result += \"End of list\";
return result;
}
}
and code part2:
public class DNode{
private Object e; // place holder for the type of object the
//collection is storing
private DNode next; // reference to the next node in the sequence
// of.
Hi, Please find my code.I have correted all of your classes.Plea.pdf
Hi, Please find my code.I have correted all of your classes.Plea.pdfpritikulkarni20 Hi, Please find my code.
I have correted all of your classes.
Please let me know in case if do not get concpt.
######## Node.java ###########
public class Node {
private E element;
private Node next;
public Node() {
this.element = null;
this.next = null;
}
public Node(E e) {
this.element = e;
this.next = null;
}
public E getElement() {
return this.element;
}
public void setElement(E element) {
this.element= element;
}
public Node getNext() {
return next;
}
public void setNext(Node next) {
this.next = next;
}
}
########## Stack.java #############
public class Stack {
private int N;
private Node top;
public Stack() {
N = 0;
this.top =null;
}
/*
* places element on the top of the stack
*/
public void push(E element){
Node temp = new Node(element);
temp.setNext(top);
top = temp;
N++;
}
/*
* remove the top node and return its contents
*/
public E pop(){
if(top == null)
return null;
E e = top.getElement();
top = top.getNext();
N--;
return e;
}
/*
* Look at the top element of the Stack and return it, without removing
*/
public E peek(){
if(top == null)
return null;
return top.getElement();
}
//returns the size of the stack
public int size(){
return N; //replace
}
public boolean isEmpty(){
return top==null;
}
}
############ Queue.java ############
public class Queue {
private Node front;
private Node back;
private int N;
public Queue() {
this.front = null;
this.back = null;
N = 0;
}
/*
* places element in the back of the Queue
*/
public void enqueue(E element){
Node temp = new Node(element);
if(front == null) {
front = temp;
back = temp;
}
else{
back.setNext(temp);
back = temp;
}
N++;
}
/*
* remove the front node of the queue and return it
*/
public E dequeue(){
if(front == null) {
return null;
}
E item = front.getElement();
front = front.getNext();
// if we had only one element
if(front == null){
back = null;
}
N--;
return item;
}
/*
* Look at the front of the queue and return it, without removing
*/
public E peek(){
if(back == null)
return null;
return back.getElement();
}
//returns the size of the queue
public int size(){
return N;
}
public boolean isEmpty(){
return front==null;
}
}
########### Palindrome.java ############
import java.util.Scanner;
public class Palindrome
{
public static void main(String[ ] args)
{
Scanner input = new Scanner(System.in);
String inputString;
System.out.print(\"Please enter your string: \");
inputString = input.next( );
if (isPalindrome( inputString )){
System.out.println(\"Yes it is a palindrome.\");
}
else{
System.out.println(\"No this is not a palindrome.\");
}
}
public static boolean isPalindrome(String input)
{
Queue q = new Queue ();
Stack s = new Stack ();
char letter;
int i;
for (i = 0; i < input.length( ); i++)
{
letter = input.charAt(i);
q.enqueue(letter);
s.push(letter);
}
while (!q.isEmpty( ))
{
if (q.dequeue() != s.pop( ))
return false;
}
return true;
}
}
/*
Sample Output:
Please enter your string: MadaM
Yes it is a palindrome.
*/
Solution
Hi, Please find my code.
I have correted all of your classes.
Pl.
@author Derek Harter @cwid 123 45 678 @class .docx
@author Derek Harter @cwid 123 45 678 @class .docxadkinspaige22 /**
* @author Derek Harter
* @cwid 123 45 678
* @class
* @ide Visual Studio Community 2017
* @date
* @assg C++ Stacks videos
*
* @description A Stack ADT with two concrete impelementation
* examples: an array based stack implementaiton (AStack), and
* a linked list based implementation (LStack).
*/
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
//-------------------------------------------------------------------------
/** stack (base class)
* The basic definition of the Stack Abstract Data Type (ADT)
* and stack operations. All declared functions here are
* virtual, they must be implemented by concrete derived
* classes.
*/
template <class T>
class Stack
{
public:
/** clear
* Method to clear out or empty any items on stack,
* put stack back to empty state.
* Postcondition: Stack is empty.
*/
virtual void clear() = 0;
/** isEmpty
* Function to determine whether the stack is empty. Needed
* because it is undefined to pop from empty stack. This
* function will not change the state of the stack (const).
*
* @returns bool true if stack is empty, false otherwise.
*/
virtual bool isEmpty() const = 0;
/** push
* Add a new item onto top of stack.
*
* @param newItem The item of template type T to push on top of
* the current stack.
*/
virtual void push(const T& newItem) = 0;
/** top
* Return the top item from the stack. Note in this ADT, peeking
* at the top item does not remove the top item. Some ADT combine
* top() and pop() as one operation. It is undefined to try and
* peek at the top item of an empty stack. Derived classes should
* throw an exception if this is attempted.
*
* @returns T Returns the top item from stack.
*/
virtual T top() const = 0;
/** pop
* Remove the item from the top of the stack. It is undefined what
* it means to try and pop from an empty stack. Derived classes should
* throw an exception if pop() from empty is attempted.
*/
virtual void pop() = 0;
/** size
* Accessor method to provide the current size of the stack.
*/
virtual int size() const = 0;
/** tostring
* Represent stack as a string
*/
virtual string tostring() const = 0;
// operload operators, mostly to support boolean comparison between
// two stacks for testing
bool operator==(const Stack<T>& rhs) const;
virtual const T& operator[](int index) const = 0;
// overload output stream operator for all stacks using tostring()
template <typename U>
friend ostream& operator<<(ostream& out, const Stack<U>& aStack);
};
/** Stack equivalence
* Compare two given stacks to determine if they are equal or not.
* stacks are equal if they are both of the same size, and each corresponding
* item on each stack is equal at the same position on the stack.
* This function relies on overloaded operator[] to access items on stack
* by index for the comparis.
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Learning Activity 16-1- Innate Immune Defenses in Different Cases List.docxVictorXUQGloverl Learning Activity 16-1: Innate Immune Defenses in Different Cases List at least two innate immune defenses that would be encountered by a pathogen entering in each of the following scenarios. Keep in mind that not all immune defense will be able to work for every situation! 1. Ouch! You step on a sharp piece of glass and Staphylococcus bacteria enter the wound. (Here we can assume that the physical barrier of the skin has been bypassed.) 2. Yuck! You eat undercooked pork and Trichinella worms enter your digestive tract. 3. Catheter problems! Your patient's urinary catheter becomes contaminated with E. coll bacteria. 4. Pinkeye outbreak! Your child rubs Haemophilus influenza bacteria into their eye. 5. Ah-chooo! A coworker sneezes and you breathe in influenza virus from their sneeze. 6. Sneaker attack! You get athlete's foot when Tinea pedis fungi start growing in between your toes. 7. Bonus question: Sometimes immune defenses are the things that cause some signs and symptoms of disease. Can you identify at least one innate immune defense from your previous answers that might be involved in signs and symptoms of disease? How would it be shown or experienced by the pattent?
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List and describe the 5 characteristics of epithelial tissues.docxVictorXUQGloverl
List and describe the 5 characteristics of epithelial tissues
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LO32 Identify the differences between transcription and translation LO.docx
LO32 Identify the differences between transcription and translation LO.docxVictorXUQGloverl LO32 Identify the differences between transcription and translation LO33 identify the parts of a mature RNA Why doesn't the first line of DNA have a corresponding amino acid below? Beratise the first line corresponds to the 5 UTR Pecause there is a mutation that coces for a stop codon in that part Because the first in e corresponds to the promoter Because the genetic code is degenerated and some codons do not code for anything Question 14 0/1 pts LO36 Explain why the genetic code is degenerated If we focus on line 2 of the troponin gene And knowing that each letter of the alphabet represent a different amino-acid, what can you conclude based only on the diagram? There are more than one codon that codes for the Eamino acid the codons that are symonimous for the A amino acid are affectes by the wockle effect All amino acids in the picture can be coded by at least two ditferent codons There are more than one amino acid that is coded by the GAG codon LO33 Identify the parts of a mature mRNA Remember the image represents the DNA sequence of the troponin gene. However, you are not getting the entire DNA sequence of the troponin gene. You are seeing the 5 ' strand starting in position 1. Although the MRNA is different from the DNA, if you were to transcribe the gene as provided into RNA, what would you be missing if you compare it to an IMMATURE RNA molecule? The stop codon The introns: The promoter The exons The start codon
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List + describe the 3 types of skin burns.docx
List + describe the 3 types of skin burns.docxVictorXUQGloverl List + describe the 3 types of skin burns
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List and describe the modes of secretion + give examples where used.docx
List and describe the modes of secretion + give examples where used.docxVictorXUQGloverl List and describe the modes of secretion + give examples where used
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lim had to give a presentail- Planning phase Analysis phase Design pha.docx
lim had to give a presentail- Planning phase Analysis phase Design pha.docxVictorXUQGloverl lim had to give a presentail. Planning phase Analysis phase Design phase Logical design phase The critical fact. Well matched Untested on sati Requires continuo- prese of a critical mass of scarce experts Thrives in a culture where people feel comfortable and empowered by having many degrees of freedom Moving to another question will save this response. to which of the following agile methods critical factors? I teams. tical mass of scarce experts. vel comfortable and ampowered by having many degrees of trewdom.
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Let- if - the event of cutbres a hat Iet N - the tient of fertre a fec.docx
Let- if - the event of cutbres a hat Iet N - the tient of fertre a fec.docxVictorXUQGloverl
Let, if = the event of cutbres a hat Iet N = the tient of fertre a fechertaker Let f a the riend of Geatre a fitese bas Let 2 - the everit of petanes a bas of condetti. Wate yeur antwees in fractien form. wawnele Mast. tan + Qulsthows
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Let Y be a continuous random variable with density fY- where Y might t.docx
Let Y be a continuous random variable with density fY- where Y might t.docxVictorXUQGloverl Let Y be a continuous random variable with density f Y , where Y might take negative values. (1) Show that E [ Y ] = 0 P ( Y > y ) d y 0 P ( Y < y ) d y (2) Using the previous part, show that E [ g ( X )] = g ( x ) f ( x ) d x
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Let X1- - - - - Xn be a random sample from an uniform distribution U(0.docx
Let X1- - - - - Xn be a random sample from an uniform distribution U(0.docxVictorXUQGloverl X1, ..., Xn are a random sample from a uniform distribution between 0 and θ. X(1) is defined as the minimum value of X1, ..., Xn and X(n) is defined as the maximum value. The ratio of the minimum value to the maximum value, U=X(1)/X(n), is an ancillary statistic.
Let X be a normal random variable with mean 201 units and standard dev.docx
Let X be a normal random variable with mean 201 units and standard dev.docxVictorXUQGloverl Let X be a normal random variable with mean 201 units and standard deviation 4 units. Answer the following questions, rounding your answers to two decimal places. (a) What is the probability that X will be less than 190 units, P ( X < 190 ) ? (b) What is the probability that X will be within 11 units of the mean? (c) The probability is 0.12 that X will be more than how many units?
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Let f be a maximum flow on a network G from vertex s to vertex t- and.docx
Let f be a maximum flow on a network G from vertex s to vertex t- and.docxVictorXUQGloverl Every edge e with endpoints on different sides of the minimum capacity st-cut (L, R) in a network G from vertex s to vertex t satisfies the property that the maximum flow f through edge e is equal to the capacity ce of edge e.
Leaving an employee alone as long as they are performing satisfactoril.docx
Leaving an employee alone as long as they are performing satisfactoril.docxVictorXUQGloverl Leaving an employee alone as long as they are performing satisfactorily can be seen as a
positive exchange
True
False
A leader may accept a follower into their in-group because they share similar values,
interests, or backgrounds
True
False
Please
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Last question- You conduct the Gram stain on two cultures of a Gram+ o.docx
Last question- You conduct the Gram stain on two cultures of a Gram+ o.docxVictorXUQGloverl Last question: You conduct the Gram stain on two cultures of a Gram+ organism. The two cultures are from the same original source. Last question 1: A culture that is several days old: it stains blue/purple and pink. Last question 2: A culture that you freshly inoculated yesterday: it stains a uniform blue/purple, with no pink. What explains the disparity between your results?
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Lab 4-Protists 8- Two silica valves Traits 9- Lobe-shaped pseudopodia.docx
Lab 4-Protists 8- Two silica valves Traits 9- Lobe-shaped pseudopodia.docxVictorXUQGloverl Lab 4-Protists 8. Two silica valves Traits 9. Lobe-shaped pseudopodia 10. Alveoli 1. Incorporated red algae via endosymbiosis 11. Fucoxanthin accessory pigment. 2. Incorporated cyanobacteria via endosymbiosis 12. Two flagella, cause harmful algal blooms 3. Alternation of generations 13. Common human food ingredient 4. Have holdfast and blades 14. Spiral chloroplast 5. Asexual reproduction with daughter colonies 15. Two flagella, pellicle to change shape 6. Excavated feeding groove 16. Unicellular Chlorophyes 7. Cilia and two types of nuclei 17. Cellulose cell wall and chlorophylls a and b Label lines on right by Supergroup: E = Excavata; Am = Amoebozoa; C = Chromalveolata; Ar = Archaeplastida
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John's boss knows that he has taken purchasing courses at Sault Colleg.docx
John's boss knows that he has taken purchasing courses at Sault Colleg.docxVictorXUQGloverl John's boss knows that he has taken purchasing courses at Sault College. Their company needs new computers, so they ask John to help them with the purchasing process. What process is John going to follow and what various documents and information that are typically used in the purchasing process might be helpful to John?
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Lab1-3 Step by step algorithm- Assembly implementation fuction- (nuirk.docx
Lab1-3 Step by step algorithm- Assembly implementation fuction- (nuirk.docxVictorXUQGloverl This document provides instructions for a lab exercise involving writing a C code function to sort numbers in ascending order. The function is used to implement an algorithm that takes user input numbers and returns them ordered from lowest to highest value. The output of running the code is a message displaying the sorted numbers "In ascending order".
Label the following diagram to describe the overall equation of cellul.docx
Label the following diagram to describe the overall equation of cellul.docxVictorXUQGloverl Cellular respiration involves the breakdown of glucose (A) and oxygen to produce carbon dioxide, water, and ATP. Glucose and oxygen are broken down through a series of metabolic reactions to produce carbon dioxide and water as waste products. Energy from these reactions is used to produce ATP which cells use to power their functions.
Lab 4- Protists Traits 8- Two silica valves 9- Lobe shaped preudopodia.docx
Lab 4- Protists Traits 8- Two silica valves 9- Lobe shaped preudopodia.docxVictorXUQGloverl Lab 4: Protists Traits 8. Two silica valves 9. Lobe shaped preudopodia 1. Incorporated red algae via endosymbiosis 10. Avedi 2. Incorporated cyanobacteria via endosymbiosis 11. Fucowanthin accessory pigment 3. Alternation of generations 12. Two fagella, eause harmful algal blooms 4. Have holdfast and blades 13. Common human food ingredient 5. Asexual reproduction with daughter colonies 14. Spiral chloroplast 6. Excavated feeding groove 15. Two fagella, pellicle to change shape 7. Cilia and two types of nuclei 16. Unicellular Chlorophytes 17. Cellulece eall wall and ehlneanalnille owoth Lab 4-Protists 8. Two silica valves Traits 9. Lobe-shaped pseudopodia 10. Alveoli 1. Incorporated red algae via endosymbiosis 11. Fucoxanthin accessory pigment. 2. Incorporated cyanobacteria via endosymbiosis 12. Two flagella, cause harmful algal blooms 3. Alternation of generations 13. Common human food ingredient 4. Have holdfast and blades 14. Spiral chloroplast 5. Asexual reproduction with daughter colonies 15. Two flagella, pellicle to change shape 6. Excavated feeding groove 16. Unicellular Chlorophyes 7. Cilia and two types of nuclei 17. Cellulose cell wall and chlorophylls a and b Label lines on right by Supergroup: E = Excavata; Am = Amoebozoa; C = Chromalveolata; Ar = Archaeplastida
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- 1. Java Foundations StackADT.java /** * Defines the interface to a stack collection. * * @author Java Foundations * @version 4.0 */ public interface StackADT<T> { /** * Adds the specified element to the top of this stack. * * @param element element to be pushed onto the stack */ public void push(T element); /** * Removes and returns the top element from this stack. * * @return the element removed from the stack * @throws EmptyCollectionException if the stack is empty */ public T pop(); /** * Returns the top element of this stack without removing it from the stack. * * @return the element on top of the stack. It is not removed from the stack * @throws EmptyCollectionException if the stack is empty */ public T peek(); /** * Returns true if this stack contains no elements. * * @return true if the stack is empty, false if the stack is not empty */ public boolean isEmpty(); /** * Returns the number of elements in this stack. * * @return the number of elements in the stack
- 2. */ public int size(); } QueueADT.java /** * QueueADT defines the interface to a queue collection. * * @author Java Foundation * @version 4.0 */ public interface QueueADT<T> { /** * Adds one element to the rear of this queue. * * @param element the element to be added to the rear of the queue */ public void enqueue(T element); /** * Removes and returns the element at the front of this queue. * * @return the element at the front of the queue * @throws EmptyCollectionException if the queue is empty */ public T dequeue(); /** * Returns without removing the element at the front of this queue. * * @return the first element in the queue * @throws EmptyCollectionException if the queue is empty */ public T first(); /** * Returns true if this queue contains no elements. * * @return true if the queue is empty, false if the queue is not empty */ public boolean isEmpty(); /** * Returns the number of elements in this queue. *
- 3. * @return the number of elements in the queue */ public int size(); } LinkedDeque.java public class LinkedDeque<T> implements QueueADT<T>, StackADT<T>, DequeADT<T> { // inner class for a double linked list node private class DNode<T> { private T element; private DNode<T> prev, next; } // data fields for the LinkedDeque class private DNode<T> front, rear; private int size; // deque interface methods @Override public void addFirst(T element) { // create a new node and set it up DNode<T> newNode = new DNode<T>(); newNode.element = element; // from param to new node obj newNode.prev = newNode.next = null; if(this.isEmpty()) { // we are making the only node in the deque this.rear = this.front = newNode; } else { // there already exists a new node // so, put the new node before the front node newNode.next = this.front; this.front.prev = newNode; this.front = newNode; } this.size++; } @Override public T removeFirst() { T grabbedElt = this.getFirst(); // checks for empty for us
- 4. if(this.size() == 1) { // we are removing the only node // so the deque is becoming empty } else { // there are multiple nodes in the queue // so the rear won't change and we just mess with front end } this.size--; return grabbedElt; } @Override public T getFirst() { if(this.isEmpty()) { throw new EmptyCollectionException("LinkedDeque"); } return this.front.element; } @Override public void addLast(T element) { } @Override public T removeLast() { return null; } @Override public T getLast() { if(this.isEmpty()) { throw new EmptyCollectionException("LinkedDeque"); } return this.rear.element; } // stack interface methods @Override public void push(T element) {
- 5. this.addFirst(element); } @Override public T pop() { return this.removeFirst(); } @Override public T peek() { return this.getFirst(); } // queue interface methods @Override public void enqueue(T element) { // TODO Auto-generated method stub } @Override public T dequeue() { // TODO Auto-generated method stub return null; } @Override public T first() { // TODO Auto-generated method stub return null; } @Override public boolean isEmpty() { return (this.size == 0); } @Override public int size() { return this.size; } @Override public String toString() { String s = "LinkedDeque of size" + this.size() + "containing (front to back)";
- 6. for (DNode <T> curr = this.front; curr != null; curr = curr.next) { s = s + curr.element; if(curr.next != null) { s = s + ", "; } else { s = s + "."; } } } } EmptyCollectionException.java /** * Represents the situation in which a collection is empty. * * @author Java Foundations * @version 4.0 */ public class EmptyCollectionException extends RuntimeException { /** * Sets up this exception with an appropriate message. * @param collection the name of the collection */ public EmptyCollectionException(String collection) { super("The " + collection + " is empty."); } } DequeADT.java public interface DequeADT<T> { /** * The DequeADT (double-ended queue) provides methods for inserting, deleting * and getting either the first or last element of a sequence of elements. */ /** * Adds a new element to the head of this deque. * * @param element the element to insert at the head of this deque */ public void addFirst(T element);
- 7. /** * Removes and returns the head element of this deque. * * @return the head element of this deque * @throws EmptyCollectionException if the deque is empty */ public T removeFirst(); /** * @return the head element of this deque * @throws EmptyCollectionException if the deque is empty */ public T getFirst(); /** * Adds a new element to the tail of this deque. * * @param element the element to insert at the tail of this deque */ public void addLast(T element); /** * Removes and returns the tail element of this deque. * * @return the tail element of this deque * @throws EmptyCollectionException if the deque is empty */ public T removeLast(); /** * @return the tail element of this deque * @throws EmptyCollectionException if the deque is empty */ public T getLast(); /** * Returns true if this deque contains no elements. * * @return true if the deque is empty, false if the deque is not empty */ public boolean isEmpty(); /** * Returns the number of elements in this deque. * * @return the number of elements in the deque
- 8. */ public int size(); } have a toString() method that prints the contents of the data structure on one line. Implementing multiple interfaces enqueue method should invoke addLast and dequeue should removeFirst). Make sure to implement every method of all three interfaces. The Main Class You need to have a Main class that performs the following operations. First, test the DequeADT: - Create a DequeADT variable for subtype 'String' that contains a LinkedDeque object. - Add 10 items to the front (all items should be unique, hint use letters ' A ', ' B '), then print the sate of the Deque. - Remove 5 items from the back (and print the state of the Deque) - Add 5 items to the back (and print the state of the Deque) - Perform a circular right shift 10 times - A circular right shift means to remove an from the back, then add that same element to the front - Be sure to print out the state of the Deque after each shift - Perform a circular left shift 10 times - A circular left shift means to remove an from the front, then add that same element to the back - Be sure to print out the state of the Deque after each shift - getLast() to print out the last element Then, use a Deque as a stack using the StackADT: - Make variable of type 'StackADT', and instantiate it with a LinkedDeque object - push() 5 elements, print out stack - pop() each element and print it out in a while loop Then, use a Deque as a queue using the QueueADT: - Make variable of type 'QueueADT, and instantiate it with a LinkedDeque object - enqueue() 5 elements, print out queue - dequeue( ) an element each element and print it out in a while loop