Lec-12, 13 Quees A class for Dynamic Queue implementation
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Using NetBeansImplement a queue named QueueLL using a Linked List .pdfsiennatimbok52331 Using NetBeans
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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 .
in this assignment you are asked to write a simple driver program an.pdf
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a library) that can be performed on a binary search tree.
Your program should allow user to insert/delete integer values into the binary search tree along
with several other operations on the binary search tree. You can use the code given in slides. But
this time your key will be int! Specifically, your program will ask user to enter a command and
related parameters (if any) in a loop, and then perform the given commands. Here is the list of
commands that your program must implement:
* insert
*find\'
*delete
*list inorder
*list preorder
*list postorder
*list levelorder
* max
* min
* height
*count
* sum
*quit
As always, make sure you release (free) the dynamically allocated memories if you allocate any
memory in your programs. So, before submitting your program, run it with valgrind to see if
there is any memory leakage
//my proggram in C
struct tree_node {
int data;
struct tree_node *left, *right;
}
typedef struct nodeT {
int key;
struct nodeT *left, *right;
} nodeT, *treeT;
int main(){
while (TRUE) {
printf(\"> \");
line = GetLine();
ch = toupper(line[0]);
switch (ch) {
case \'I\': insert(); break;
case \'F\': find(); break;
case \'D\': delete(); break;
case \'LI\': listInorder; break;
case \'LPR\': listPreorder(); break;
case \'LPO\': listPostorder(); break;
case \'MAX\': max(); break;
case \'min\': min(); break;
case \'H\': height(); break;
case \'C\': count(); break;
case \'S\': sum(); break;
case \'Q\': exit(0);
default:printf(\"Illegal command\ \"); break;
}
}
}
nodeT *FindNode(nodeT *t, int key){
while(t !=NULL) {
if (key == t->key) return t;
if (key < t->key) {
t = t->left;
} else {
t = t->right;
}
return NULL;
}
void delete(nodeT **p){
nodeT
*target;
target=*p;
if (target->left==NULL && target->right==NULL) {
*p=NULL;
} else if (target->left == NULL) {
*p=target->right;
} else
if (target->right == NULL) {
*p=target->left;
} else {
/* target has two children, see next slide */
}
free(target);
}
void listInorder(nodeT *T){
if (t != NULL) {
DisplayTree(t->left);
printf(“%d “, t->key);
DisplayTree(t->right);
}
}
void listPreorder(nodeT *t) {
if (t != NULL) {
printf(“%d “, t->key);
DisplayTree(t->left);
DisplayTree(t->right);
}
}
void listPostOrder(nodeT *t){
if (t != NULL) {
DisplayTree(t->left);
DisplayTree(t->right);
printf(“%d “, t->key);
}
}
void intsert(nodeT **tptr, int key){
nodeT*t, *tmp;
t=*tptr;
if (t == NULL) {
tmp=New(nodeT*);
tmp->key = key;
tmp->left=tmp->right=NULL;
*tptr=tmp;
return;
}
if (key < t->key) {
InsertNode
(&t->left, key);
} else {
InsertNode(&t->right, key);
}
}
int height(nodeT *t){
if (t == NULL)
return 0;
else
return (1 + maximumof(
height(t->left),
height(t->right)) );
}
int sum(struct tree_node *p){
if (p == NULL)
return 0;
else
return (p->data +
sum(p->left) +
sum(p->right) );
}
Solution
1. /*
2. * Java Program to Implement Binary Search Tree
3. */
4.
5. import java.util.Scanner;
6.
7. /* Class BSTNode */
8. cl.
Please do Part A, Ill be really gratefulThe main.c is the skeleto.pdf
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The main.c is the skeleton code, the content of main.c is given below:
#include
#include
/* a rtpkt is the packet sent from one router to
another*/
struct rtpkt {
int sourceid; /* id of sending router sending this pkt */
int destid; /* id of router to which pkt being sent
(must be an directly connected neighbor) */
int *mincost; /* min cost to all the node */
};
struct distance_table
{
int **costs; // the distance table of curr_node, costs[i][j] is the cost from node i to node j
};
/*****************************************************************
***************** NETWORK EMULATION CODE STARTS BELOW ***********
The code below emulates the layer 2 and below network environment:
- emulates the transmission and delivery (with no loss and no
corruption) between two physically connected nodes
- calls the initializations routine rtinit once before
beginning emulation for each node.
You should read and understand the code below. For Part A, you should fill all parts with
annotation starting with "Todo". For Part B and Part C, you need to add additional routines for
their features.
******************************************************************/
struct event {
float evtime; /* event time */
int evtype; /* event type code */
int eventity; /* entity (node) where event occurs */
struct rtpkt *rtpktptr; /* ptr to packet (if any) assoc w/ this event */
struct event *prev;
struct event *next;
};
struct event *evlist = NULL; /* the event list */
struct distance_table *dts;
int **link_costs; /*This is a 2D matrix stroing the content defined in topo file*/
int num_nodes;
/* possible events: */
/*Note in this lab, we only have one event, namely FROM_LAYER2.It refer to that the packet
will pop out from layer3, you can add more event to emulate other activity for other layers. Like
FROM_LAYER3*/
#define FROM_LAYER2 1
float clocktime = 0.000;
/********************* EVENT HANDLINE ROUTINES *******/
/* The next set of routines handle the event list */
/*****************************************************/
void rtinit(struct distance_table *dt, int node, int *link_costs, int num_nodes)
{
/* Todo: Please write the code here*/
}
void rtupdate(struct distance_table *dt, struct rtpkt recv_pkt)
{
/* Todo: Please write the code here*/
}
void main(int argc, char *argv[])
{
struct event *eventptr;
/* Todo: Please write the code here to process the input.
Given different flag, you have different number of input for part A, B, C.
Please write your own code to parse the input for each part.
Specifically, in part A you need parse the input file and get num_nodes,
and fill in the content of dts and link_costs */
dts = (struct distance_table *) malloc(num_nodes * sizeof(struct distance_table));
link_costs = (int **) malloc(num_nodes * sizeof(int *));
for (int i = 0; i < num_nodes; i++)
{
link_costs[i] = (int *)malloc(num_nodes * sizeof(int));
}
for (int i = 0; i < num_nodes; i++)
{
rtinit(&dts[i], i, link_costs[i], num_nodes);
}
whil.
Class ‘increment’
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Please read the comment ins codeExpressionTree.java-------------.pdf
Please read the comment ins codeExpressionTree.java-------------.pdfshanki7 Please read the comment ins code
ExpressionTree.java
----------------------------------
/**
* This is the class for Expression Tree.
* Used to create Expression Tree and Evaluate it
*/
/**
* Following logic is used to construct a Tree
* Here we use stack for Preparing Tree
* Loop through given Expression String
* If Character is Operand , Create node and push to stack
* If Character is Operator then
* 1)Create Node for Operator
* 2)Pop 2 nodes from Stack and Made
* OpretorNode--> left == first node pop
* OpretorNode--> right == second node pop
* At the end of creation of Expression Tree, Stack have only one node , which is root of
Expression tree
*/
/** Class ExpressionTree **/
class ExpressionTree
{
/** class TreeNode
* Stored Character ==> Digit(0..9) or a Operator +,-,*,/
* Left Node and Right Node
*
* **/
class TreeNode
{
char data;
TreeNode left, right;
/** constructor **/
public TreeNode(char data)
{
this.data = data;
this.left = null;
this.right = null;
}
}
/** class StackNode **/
class StackNode
{
TreeNode treeNode;
StackNode next;
/** constructor **/
public StackNode(TreeNode treeNode)
{
this.treeNode = treeNode;
next = null;
}
}
private static StackNode top;
/** constructor
* Constructor takes input string like \"+-+7*935*82*625\"
* Input should be in Prefix notation
* **/
public ExpressionTree(String expression)
{
top = null;
//Call Method for prepare expression tree
buildTree(expression);
}
/** function to clear tree **/
public void clear()
{
top = null;
}
/** function to push a node **/
private void push(TreeNode ptr)
{
if (top == null)
top = new StackNode(ptr);
else
{
StackNode nptr = new StackNode(ptr);
nptr.next = top;
top = nptr;
}
}
/** function to pop a node
* When it find operator pop 2 elements from Stack
*
* **/
private TreeNode pop()
{
if (top == null)
throw new RuntimeException(\"Underflow\");
else
{
TreeNode ptr = top.treeNode;
top = top.next;
return ptr;
}
}
/** function to get top node **/
private TreeNode peek()
{
return top.treeNode;
}
/** function to insert character **/
private void insert(char val)
{
try
{
//If Operand , Create node and push to Stack
if (isDigit(val))
{
TreeNode nptr = new TreeNode(val);
push(nptr);
}
//If Operator , Create node and popup 2 elements and make them its right and left
else if (isOperator(val))
{
TreeNode nptr = new TreeNode(val);
nptr.left = pop();
nptr.right = pop();
push(nptr);
}
}
catch (Exception e)
{
System.out.println(\"Invalid Expression\");
}
}
/** function to check if digit **/
private boolean isDigit(char ch)
{
return ch >= \'0\' && ch <= \'9\';
}
/** function to check if operator **/
private boolean isOperator(char ch)
{
return ch == \'+\' || ch == \'-\' || ch == \'*\' || ch == \'/\';
}
/** function to convert character to digit **/
private int toDigit(char ch)
{
return ch - \'0\';
}
/** function to build tree from input */
public void buildTree(String eqn)
{
for (int i = eqn.length() - 1; i >= 0; i--)
insert(eqn.charAt(i));
}
/** function to evaluate tree */
public dou.
#includeiostream#includecstdio#includecstdlib Node .pdf
#includeiostream#includecstdio#includecstdlib Node .pdfgulshan16175gs #include
#include
#include
/*
* Node Declaration
*/
using namespace std;
struct node
{
int info;
struct node *next;
struct node *prev;
}*start;
/*
Class Declaration
*/
class double_llist
{
public:
void create_list(int value);
void add_begin(int value);
void add_after(int value, int position);
void delete_element(int value);
void search_element(int value);
void display_dlist();
void count();
void reverse();
double_llist()
{
start = NULL;
}
};
/*
* Main: Conatins Menu
*/
int main()
{
int choice, element, position;
double_llist dl;
while (1)
{
cout<>choice;
switch ( choice )
{
case 1:
cout<<\"Enter the element: \";
cin>>element;
dl.create_list(element);
cout<>element;
dl.add_begin(element);
cout<>element;
cout<<\"Insert Element after postion: \";
cin>>position;
dl.add_after(element, position);
cout<>element;
dl.delete_element(element);
cout<info = value;
temp->next = NULL;
if (start == NULL)
{
temp->prev = NULL;
start = temp;
}
else
{
s = start;
while (s->next != NULL)
s = s->next;
s->next = temp;
temp->prev = s;
}
}
/*
* Insertion at the beginning
*/
void double_llist::add_begin(int value)
{
if (start == NULL)
{
cout<<\"First Create the list.\"<prev = NULL;
temp->info = value;
temp->next = start;
start->prev = temp;
start = temp;
cout<<\"Element Inserted\"<next;
if (q == NULL)
{
cout<<\"There are less than \";
cout<info = value;
if (q->next == NULL)
{
q->next = tmp;
tmp->next = NULL;
tmp->prev = q;
}
else
{
tmp->next = q->next;
tmp->next->prev = tmp;
q->next = tmp;
tmp->prev = q;
}
cout<<\"Element Inserted\"<info == value)
{
tmp = start;
start = start->next;
start->prev = NULL;
cout<<\"Element Deleted\"<next->next != NULL)
{
/*Element deleted in between*/
if (q->next->info == value)
{
tmp = q->next;
q->next = tmp->next;
tmp->next->prev = q;
cout<<\"Element Deleted\"<next;
}
/*last element deleted*/
if (q->next->info == value)
{
tmp = q->next;
free(tmp);
q->next = NULL;
cout<<\"Element Deleted\"<info<<\" <-> \";
q = q->next;
}
cout<<\"NULL\"<next;
cnt++;
}
cout<<\"Number of elements are: \"<next;
p1->next = NULL;
p1->prev = p2;
while (p2 != NULL)
{
p2->prev = p2->next;
p2->next = p1;
p1 = p2;
p2 = p2->prev;
}
start = p1;
cout<<\"List Reversed\"<
Solution
#include
#include
#include
/*
* Node Declaration
*/
using namespace std;
struct node
{
int info;
struct node *next;
struct node *prev;
}*start;
/*
Class Declaration
*/
class double_llist
{
public:
void create_list(int value);
void add_begin(int value);
void add_after(int value, int position);
void delete_element(int value);
void search_element(int value);
void display_dlist();
void count();
void reverse();
double_llist()
{
start = NULL;
}
};
/*
* Main: Conatins Menu
*/
int main()
{
int choice, element, position;
double_llist dl;
while (1)
{
cout<>choice;
switch ( choice )
{
case 1:
cout<<\"Enter the element: \";
cin>>element;
dl.create_list(element);
cout<>element;
dl.add_begin(element);
cout<>element;
cout<<\"Insert Element after postion: \";
cin>>position;
dl.add_after(element, position);
cout.
#includeiostream#includecstdio#includecstdlibusing names.pdf
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Print Star pattern in java and print triangle of stars in java
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- create() adds a node to the empty list
- append() adds a node to the end of the list
- insert() inserts a node at a given index position
- del() deletes a node with a given value
- display() prints out the contents of the list
It uses a node struct to define each list element and a DLL class to implement the linked list functions.
(In java language)1. Use recursion in implementing the binarySearc.pdf
(In java language)1. Use recursion in implementing the binarySearc.pdfrbjain2007 (In java language)
1. Use recursion in implementing the binarySearch method
2. Use Generics in implementing different methods
3. Use the attached driver. Do not modify the driver
Please put answers into the skeleton / complete the following given skeleton with the code in
java language:
import java.util.ArrayList;
public class MyGenerics{
//Declarations
//****************************************************************************
//No-argument constructor:
//****************************************************************************
public MyGenerics (){
}//end of constructor
//****************************************************************************
//max: Receives a generic one-dimensional array and returns the maximum
// value in the array.
//****************************************************************************
public > E max(E[] list){
return null;
}//end of max
//****************************************************************************
//max: Receives a generic two-dimensional array and returns the maximum
// value in the array.
//****************************************************************************
public > E max(E[][] list) {
return null;
}
//****************************************************************************
//largest: Receives a generic arrayList and returns the maximum
// value in the array.
//****************************************************************************
public > E largest(ArrayList list) {
return null;
}
//****************************************************************************
//binarySearch: Receives a generic one-dimensional array and a generic key
// and returns the location of the key (positive) or
// a negative location if not found.
//****************************************************************************
public > int binarySearch(E[] list, E key) {
int low = 0;
int high = list.length - 1;
return binarySearch (list, key, low, high);
}
public > int binarySearch(E[] list, E key, int low, int high) {
return -99; // update
}
//****************************************************************************
//sort: Receives a generic arrayList and returns nothing.
//****************************************************************************
public > void sort(ArrayList list) {
}
//****************************************************************************
//sort: Receives a generic one-dimensional array and returns nothing.
//****************************************************************************
public > void sort(E[] list) {
}
//****************************************************************************
//displayOneDList: Receives a generic one-dimensional array and displays its contents
//****************************************************************************
public void displayOneDList(E[] list, String listName){
}
//****************************************************************************
//displayTwoDList: Receives a generic two-dimensional array & a string .
g++ -o simpleVector.exe simpleVector.cpp #include stdio.h #i.pdf
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#include
#include
#include
using namespace std;
/******************************************************
* Template class named SimpleVector
* An array that can hold any specified
* data type. Use a dynamic array.
******************************************************/
template
class SimpleVector
{
public:
//default constructor
SimpleVector();
//constructor with size of array
SimpleVector(int size);
//copy constructor
SimpleVector(const SimpleVector& object);
//setter method
void SetArray(int size);
//getter method
void ShowArray(int size);
//destructor
void FreeMemory();
//accessor method
int GetSizeOfArray();
//getter method
T GetElementAt(int index);
//Overload the [] operator. The argument is a subscript.
//This function returns a reference
//to the element in the array indexed by the subscript.
T operator [] (int subscript);
private:
//private memeber variable
T *array; //to dynamically allocate an array
T *copy;
};
//These function are going to be used in switch statement
//in order to test each case(integer, double, string).
void caseOne(int userInput, int size);
void caseTwo(int userInput, int size);
void caseThree(int userInput, int size);
int main() {
int userInput;
int size;
char keepInput;
do {
cout << \"What type of data do you want?\ \";
cout <<\"1. intger\ \";
cout <<\"2. double\ \";
cout <<\"3. strings\ \";
cin >> userInput;
cout << \"Enter the number of data \";
cin >> size;
switch(userInput) {
case 1:
{
caseOne(userInput, size);
break;
}
case 2:
{
caseTwo(userInput, size);
break;
}
case 3:
{
caseThree(userInput, size);
break;
}
default:
cout << \"invalid input\";
}
cout << \"\ Do you want to enter the data again?(Y/N)\ \";
cin >> keepInput;
} while(toupper(keepInput) == \'Y\');
return 0;
}
//This funciton is called in the switch satatement
//The purpose of this funtion is test SimpleVecor calss
//funciton for \'int\' type.
void caseOne(int userInput, int size) {
SimpleVectorintegerData(size);
integerData.SetArray(size);
integerData.ShowArray(size);
cout << \"\ Enter an index to retrieve the data\ \";
cin >> userInput;
cout << \"\ Getting an element of array by \ \";
cout << \"1. GetElementAt function : \";
cout << integerData.GetElementAt(userInput);
cout << \"\ 2. overloaded operator [] : \";
cout << integerData[userInput];
cout << \"\ \ Copying the array\";
SimpleVectornewIntegerData(integerData);
newIntegerData.ShowArray(size);
newIntegerData.FreeMemory();
}
//This funciton is called in the switch satatement
//The purpose of this funtion is test SimpleVecor calss
//funciton for \'double\' type.
void caseTwo(int userInput, int size) {
SimpleVectordoubleData(size);
doubleData.SetArray(size);
doubleData.ShowArray(size);
cout << \"\ Enter an index to retrieve the data\ \";
cin >> userInput;
cout << \"\ Getting an element of array by \ \";
cout << \"1. GetElementAt function : \";
cout << doubleData.GetElementAt(userInput);
cout << \"\ 2. overloaded operator [] : \";
cout << doubleData[.
Writing MySQL UDFs
Writing MySQL UDFsRoland Bouman This document discusses user-defined functions (UDFs) in MySQL. It describes three types of functions - built-in, SQL stored, and user-defined. It focuses on user-defined functions and discusses the C/C++ implementation including initialization functions, row functions, data types, and data structures like UDF_INIT and UDF_ARGS that are passed between the function and MySQL. It provides examples of writing UDFs and recommends resources for learning more.
Need Help with this Java Assignment. Program should be done in JAVA .pdf
Need Help with this Java Assignment. Program should be done in JAVA .pdfarchiesgallery Need Help with this Java Assignment. Program should be done in JAVA please
Complete required scripts based on eclipse and troubleshoot the scripts until the tasks are done.
1. Implement a binary search tree (write the code for it), for a height of 2 or higher. Please show
the output if you can Thank you in advance!
Solution
I have compiled this code and checked for errors, worked fine.
Also after the code I have pasted the Output transcript to show what User Inputs I gave and what
all outputs I got.
// Java Program to Implement Binary Tree
import java.util.Scanner;
/* Define Class BinaryTreeNode */
class BinaryTreeNode
{
BinaryTreeNode left, right;
int data;
/* Constructor */
public BinaryTreeNode()
{
left = null;
right = null;
data = 0;
}
/* Constructor */
public BinaryTreeNode(int n)
{
left = null;
right = null;
data = n;
}
/* Function to set left node */
public void setLeft(BinaryTreeNode n)
{
left = n;
}
/* Function to set right node */
public void setRight(BinaryTreeNode n)
{
right = n;
}
/* Function to get left node */
public BinaryTreeNode getLeft()
{
return left;
}
/* Function to get right node */
public BinaryTreeNode getRight()
{
return right;
}
/* Function to set data to node */
public void setData(int d)
{
data = d;
}
/* Function to get data from node */
public int getData()
{
return data;
}
}
/* Define anothe Class Operations to perform required operationns on Binary Tree*/
class Operations
{
private BinaryTreeNode root;
/* Constructor */
public Operations()
{
root = null;
}
/* Function to check if tree is empty */
public boolean isEmpty()
{
return root == null;
}
/* Functions to insert data */
public void insert(int data)
{
root = insert(root, data);
}
/* Function to insert data recursively */
private BinaryTreeNode insert(BinaryTreeNode node, int data)
{
if (node == null)
node = new BinaryTreeNode(data);
else
{
if (node.getRight() == null)
node.right = insert(node.right, data);
else
node.left = insert(node.left, data);
}
return node;
}
/* Function to count number of nodes */
public int countNodes()
{
return countNodes(root);
}
/* Function to count number of nodes recursively */
private int countNodes(BinaryTreeNode r)
{
if (r == null)
return 0;
else
{
int l = 1;
l += countNodes(r.getLeft());
l += countNodes(r.getRight());
return l;
}
}
/* Function to search for an element */
public boolean search(int val)
{
return search(root, val);
}
/* Function to search for an element recursively */
private boolean search(BinaryTreeNode r, int val)
{
if (r.getData() == val)
return true;
if (r.getLeft() != null)
if (search(r.getLeft(), val))
return true;
if (r.getRight() != null)
if (search(r.getRight(), val))
return true;
return false;
}
/* Function for inorder traversal */
public void inorder()
{
inorder(root);
}
private void inorder(BinaryTreeNode r)
{
if (r != null)
{
inorder(r.getLeft());
System.out.print(r.getData() +\" \");
inorder(r.getRight());
}
}
/* Function for preorder traversal */
public void preorder()
{
preorder(root);
}
priva.
Treatment, Architecture and Threads
Treatment, Architecture and ThreadsMathias Seguy DroidConUk 2016 [Barcamp]
In this conference, I want to talk about treatments.
By treatments, I mean where and how do you implement your business logic, the way your application handles data, your global algorithms,
And to do that, I need first to talk you about Architecture. But in Android, when you say "Architecture" every boby answers MVP / MVVM / ... so we will first have a look to those patterns, from an history point of view then we will discover that we have missed some layer to split concerns accross the application.
So we will talk about layer architecture (yep, also known as N-Tier architecture).
So, we have a better idea of what a generic architecture should be, now let's apply it on Android: Let's talk about the application object, and the service services layer, in particular we'll dive into the problem "do our business services have to be implemented extending Service ?".
Then I talk to you about a ServiceManager, that we have to implement, to centralize the management of all your services and all your threads pools.
And some much more :)
Enjoy the talk,
ANSimport java.util.Scanner; class Bina_node { Bina_node .pdf
ANSimport java.util.Scanner; class Bina_node { Bina_node .pdfanukoolelectronics This document contains Java code that defines a binary tree class with methods for inserting nodes, searching for values, counting nodes, checking if the tree is empty, and traversing the tree in preorder, inorder and postorder manners. A main method is included that allows a user to test the binary tree operations by selecting options from a menu to insert nodes, search, count nodes or check emptiness and displays the results of tree traversals.
Qprgs
QprgsSsankett Negi 1) This document contains 3 C programs that implement different types of queues using arrays: a standard queue, a circular queue, and a multiple queue system.
2) The programs define functions for insertion, deletion, checking if the queue is full/empty, and displaying the contents.
3) Main contains a menu to test the different queue functions and take user input for operations.
C# labprograms
C# labprogramsJafar Nesargi The program defines a jagged array with 3 inner arrays of unspecified length. It initializes the inner arrays. It then iterates through the jagged array and sums all elements of the inner arrays. The total sum is returned.
Codigo fuente
Codigo fuenteBlackD10 This document contains code for displaying a matrix on an 8x8 LED display using a PIC microcontroller. It includes function definitions to send individual columns of data, send a vector to the display by forming it into a matrix, and send the entire matrix to the display. The main function initializes ports, declares some global vectors, and calls the functions to continuously display one vector then clear the display.
mainpublic class AssignmentThree { public static void ma.pdf
mainpublic class AssignmentThree { public static void ma.pdffathimafancyjeweller // main
public class AssignmentThree
{
public static void main(String[] args)
{
List myList = new List(15);
// Cause List Empty Message
myList.removeFront();
myList.removeRear();
myList.removeItem(\"a\");
// Cause Not found message
myList.addToFront(\"x\");
myList.removeItem(\"y\");
myList.removeItem(\"x\");
myList.addAfterItem(\"x\", \"z\");
myList.addBeforeItem(\"x\", \"z\");
// Normal behavior
myList.addToFront(\"not.\");
myList.addToFront(\"or\");
myList.addToRear(\"is\");
myList.addToRear(\"try.\");
myList.addAfterItem(\"is\", \"no\");
myList.addBeforeItem(\"is\", \"There\");
myList.addToFront(\"Do\");
myList.addAfterItem(\"or\", \"do\");
myList.print(\"Original list\");
myList.printSorted(\"Sorted Original List\");
sop(\"\ Front is \" + myList.getFront());
sop(\"Rear is \" + myList.getRear());
sop(\"Count is \" + myList.askCount());
sop(\"Is There present? \" + myList.isPresent(\"There\"));
sop(\"Is Dog present? \" + myList.isPresent(\"Dog\"));
myList.addToFront(\"junk\");
myList.addToRear(\"morejunk\");
myList.addAfterItem(\"or\", \"moremorejunk\");
myList.print(\"List with junk\");
sop(\"Count is \" + myList.askCount());
myList.removeFront();
myList.removeRear();
myList.removeItem(\"moremorejunk\");
myList.print(\"List with junk removed\");
sop(\"Count is \" + myList.askCount());
sop(\"\");
// Cause List Full message
for(int ii = 0; ii < 10; ++ii)
{
myList.addToFront(DUMMY);
}
myList.addToRear(DUMMY);
myList.addBeforeItem(\"no\", DUMMY);
myList.addAfterItem(\"There\", DUMMY);
myList.print(\"After filling List\");
sop(\"Count is \" + myList.askCount());
while(myList.isPresent(DUMMY)) myList.removeItem(DUMMY);
myList.print(\"After removing \" + DUMMY );
sop(\"Count is \" + myList.askCount());
}
private static void sop(String s)
{
System.out.println(s);
}
private static final String DUMMY = \"dummy\";
}
Solution
Following is MyList implementation for your output as:
Java Code:
import java.util.Comparator;
public class MyList {
private Node start;
private Node end;
private int size;
private int capacity;
public MyList(int capacity) {
start = null;
end = null;
size = 0;
this.capacity = capacity;
}
/* Function to check if list is empty */
public boolean isEmpty() {
return start == null;
}
public void removeFront() {
if (isEmpty()) {
System.out.println(\"List Empty\");
return;
} else {
start = start.next;
size--;
return;
}
}
public void removeRear() {
if (size == 0) {
System.out.println(\"List Empty\");
return;
}
if (start.next == null) {
start=null;
end=null;
size=0;
}
Node node = start.next;
while (node.next != null) {
node = node.next;
}
node.next = null;
end = node;
size--;
}
public void removeItem(String key) {
if (size == 0) {
System.out.println(\"List Empty\");
return;
}
if (start.next == null) {
if (start.key.equals(key)) {
start=null;
end=null;
size=0;
} else {
System.out.println(\"\");
}
return;
}
Node node = start;
Node nodeNext = node.next;
while (nodeNext.next != null) {
if (nodeNext.key.equals(key)) {
node.next=nodeNext.next;
}.
Objective Min-heap queue with customized comparatorHospital emerg.pdf
Objective Min-heap queue with customized comparatorHospital emerg.pdfezhilvizhiyan Objective: Min-heap queue with customized comparator
Hospital emergency room assign patient priority base on symptom of the patient. Each patient
receives an identity number which prioritizes the order of emergency for the patient. The lower
the number is, the higher the emergency will be.
Use java.util.PriorityQueue to write a java program to create the emergency room registration
database. The patient.txt is the input file for patient record. Download patient.txt, Patient.java to
perform following specifications:
(a)Load all records from the input file.
(b)At the end, print the list in assigned priority order.
Given Code:
//*******************************************************************
// Patient.java
//*******************************************************************
public class Patient
{
private int id;
private String name;
private String emergencyCase;
//----------------------------------------------------------------
// Creates a customer with the specified id number.
//----------------------------------------------------------------
public Patient (int number, String custName,String er )
{
id = number;
name = custName;
emergencyCase = er;
}
//----------------------------------------------------------------
// Returns a string description of this customer.
//----------------------------------------------------------------
public String toString()
{
return \"Patient priority id: \" + id+\" Patient name: \"+name+\" Symptom: \"+emergencyCase;
}
public String getName()
{
return name;
}
public int getId()
{
return id;
}
public String getCase()
{
return emergencyCase;
}
}
/** Source code example for \"A Practical Introduction to Data
Structures and Algorithm Analysis, 3rd Edition (Java)\"
by Clifford A. Shaffer
Copyright 2008-2011 by Clifford A. Shaffer
*/
import java.util.*;
import java.math.*;
/** A bunch of utility functions. */
class DSutil {
/** Swap two Objects in an array
@param A The array
@param p1 Index of one Object in A
@param p2 Index of another Object A
*/
public static void swap(E[] A, int p1, int p2) {
E temp = A[p1];
A[p1] = A[p2];
A[p2] = temp;
}
/** Randomly permute the Objects in an array.
@param A The array
*/
// int version
// Randomly permute the values of array \"A\"
static void permute(int[] A) {
for (int i = A.length; i > 0; i--) // for each i
swap(A, i-1, DSutil.random(i)); // swap A[i-1] with
} // a random element
public static void swap(int[] A, int p1, int p2) {
int temp = A[p1];
A[p1] = A[p2];
A[p2] = temp;
}
/** Randomly permute the values in array A */
static void permute(E[] A) {
for (int i = A.length; i > 0; i--) // for each i
swap(A, i-1, DSutil.random(i)); // swap A[i-1] with
} // a random element
/** Initialize the random variable */
static private Random value = new Random(); // Hold the Random class object
/** Create a random number function from the standard Java Random
class. Turn it into a uniformly distributed value within the
range 0 to n-1 by taking the value mod n.
@param n The upper boun.
DesignPatterns-IntroPresentation.pptx
DesignPatterns-IntroPresentation.pptxMariusIoacara2 This document discusses various design patterns for embedded systems, including:
- State management, behavior, resource management, API design, reusability, interaction management, and complexity distribution patterns.
- Object-oriented patterns like singleton, proxy, adapter, mediator, and facade.
- Concurrency patterns like opportunistic polling, periodic polling, and channel patterns.
- Reliability patterns like protected channel, dual/triple channel, sanity check, and N-version patterns.
- Examples of implementing patterns like hardware proxy, singleton, and various channel patterns.
#include <stdio.h> #include <malloc.h> #define ISEMP.pdf
#include <stdio.h> #include <malloc.h> #define ISEMP.pdfharihelectronicspune #include <stdio.h>
#include <malloc.h>
#define ISEMPTY printf(\"\ EMPTY LIST:\");
/*
* Node Declaration
*/
struct node
;
snode* create_node(int);
void insert_node_first();
void insert_node_last();
void insert_node_pos();
void sorted_ascend();
void delete_pos();
void search();
void update_val();
void display();
void rev_display(snode *);
typedef struct node snode;
snode *newnode, *ptr, *prev, *temp;
snode *first = NULL, *last = NULL;
/*
* Main :contains menu
*/
int main()
whereas (ans == \'Y\'||ans == \'y\')
value = val;
newnode->next = NULL;
{return|come back|come\" id=\"tip_27\">come newnode;
}
}
/*
* Inserting Node initially
*/
void insert_node_first()
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node eventually
*/
void insert_node_last()
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node at position
*/
void insert_node_pos()
if (pos == 1)
{
if (first == last && initial == NULL)
{
initial = last = newnode;
first->next = NULL;
last->next = NULL;
}
else
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ Inserted\");
}
else if (pos>1 && pos<=cnt)
prev->next = newnode;
newnode->next = ptr;
printf(\"\ ----INSERTED----\");
}
else
}
}
printf(\"\ ---Sorted List---\");
for (ptr = first;ptr != NULL;ptr = ptr->next)
if (
Solution
#include <stdio.h>
#include <malloc.h>
#define ISEMPTY printf(\"\ EMPTY LIST:\");
/*
* Node Declaration
*/
struct node
;
snode* create_node(int);
void insert_node_first();
void insert_node_last();
void insert_node_pos();
void sorted_ascend();
void delete_pos();
void search();
void update_val();
void display();
void rev_display(snode *);
typedef struct node snode;
snode *newnode, *ptr, *prev, *temp;
snode *first = NULL, *last = NULL;
/*
* Main :contains menu
*/
int main()
whereas (ans == \'Y\'||ans == \'y\')
value = val;
newnode->next = NULL;
{return|come back|come\" id=\"tip_27\">come newnode;
}
}
/*
* Inserting Node initially
*/
void insert_node_first()
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node eventually
*/
void insert_node_last()
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node at position
*/
void insert_node_pos()
if (pos == 1)
{
if (first == last && initial == NULL)
{
initial = last = newnode;
first->next = NULL;
last->next = NULL;
}
else
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ Inserted\");
}
else if (pos>1 && pos<=cnt)
prev->next = newnode;
newnode->next = ptr;
printf(\"\ ----INSERTED----\");
}
else
}
}
printf(\"\ ---Sorted List---\");
for (ptr = first;ptr != NULL;ptr = ptr->next)
if (.
Tested on EclipseBoth class should be in same package.pdf
Tested on EclipseBoth class should be in same package.pdfanupamagarud8 Tested on Eclipse
Both class should be in same package
/***********UNMember class***********/
import java.util.Scanner;
public class UNMember {
/*data member declaration*/
private String name;
private int NUID;
private String netID;
private String collegeLocation;
Scanner input=new Scanner(System.in);
/*Default constructor*/
public UNMember() {
}
/*Parameterized constructor*/
public UNMember(String name, int nUID, String netID) {
setName(name);
setNUID(nUID);
setNetID(netID);
setCollegeLocation();
}
/*Getter and setter method of data member variable*/
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getNUID() {
return NUID;
}
public void setNUID(int nUID) {
NUID = nUID;
}
public String getNetID() {
return netID;
}
public void setNetID(String netID) {
this.netID = netID;
}
public String getCollegeLocation() {
return collegeLocation;
}
public void setCollegeLocation() {
String collegeLocation;
/*Prompt for college location*/
System.out.println(\"Please Enter the college Location\");
collegeLocation=input.nextLine();
this.collegeLocation = collegeLocation;
}
@Override
public String toString() {
return \"Name:\" + name.toUpperCase() + \"\ NUID=\" + NUID + \"\ NetID:\" +
netID.toUpperCase() + \"\ Campus Location:\" + collegeLocation.toUpperCase()
+ \"\ \";
}
}
/************UNStaff class*************/
import java.text.DecimalFormat;
public class UNStaff extends UNMember{
/*Member data variable declaration*/
private String position;
private double wage;
/*Parameterized constructor*/
public UNStaff(String position, double wage,String name,int NUID,String netID) {
super(name,NUID,netID);
setPosition(position);
setWage(wage);
}
/*Getter and Setter method of data member variable*/
public String getPosition() {
return position;
}
public void setPosition(String position) {
if(position.equals(\"\")|| position==null){
this.position=\"NOT SET\";
}else{
this.position = position;
}
}
public double getWage() {
return wage;
}
/*Set wage , if wage less then 9 then we are setting it to -1*/
public void setWage(double wage) {
if(wage<9){
this.wage=-1;
}else{
this.wage = wage;
}
}
/*ToString method*/
@Override
public String toString() {
String result=\"Position:\" + position.toUpperCase() + \"\ \";
if(this.wage==-1){
result+=\"Wage:NOT SET\";
}else{
result+=\"Wage:$\"+new DecimalFormat(\"##.00\").format(this.wage);
}
return super.toString()+result;
}
public static void main(String args[]){
UNStaff staff=new UNStaff(\"secretary\", 50.6, \"David\", 123, \"UN123\");
UNStaff staff1=new UNStaff(\"cleark\", 8, \"Sam\", 129, \"UN129\");
System.out.println(\"**************\");
System.out.println(staff.toString());
System.out.println(\"**************\");
System.out.println(staff1.toString());
}
}
/***************output*************/
Please Enter the college Location
california
Please Enter the college Location
Los Angeles
**************
Name:DAVID
NUID=123
NetID:UN123
Campus Location:CALIFORNIA
Position:SECRETARY
Wage.
Link List : Introduction to List and Linked Lists
Link List : Introduction to List and Linked ListsAnil Yadav Link List : Introduction to List and Linked Lists
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ExpressionTree.java
----------------------------------
/**
* This is the class for Expression Tree.
* Used to create Expression Tree and Evaluate it
*/
/**
* Following logic is used to construct a Tree
* Here we use stack for Preparing Tree
* Loop through given Expression String
* If Character is Operand , Create node and push to stack
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/** Class ExpressionTree **/
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*
* **/
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char data;
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{
this.data = data;
this.left = null;
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TreeNode treeNode;
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this.treeNode = treeNode;
next = null;
}
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top = new StackNode(ptr);
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StackNode nptr = new StackNode(ptr);
nptr.next = top;
top = nptr;
}
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* When it find operator pop 2 elements from Stack
*
* **/
private TreeNode pop()
{
if (top == null)
throw new RuntimeException(\"Underflow\");
else
{
TreeNode ptr = top.treeNode;
top = top.next;
return ptr;
}
}
/** function to get top node **/
private TreeNode peek()
{
return top.treeNode;
}
/** function to insert character **/
private void insert(char val)
{
try
{
//If Operand , Create node and push to Stack
if (isDigit(val))
{
TreeNode nptr = new TreeNode(val);
push(nptr);
}
//If Operator , Create node and popup 2 elements and make them its right and left
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TreeNode nptr = new TreeNode(val);
nptr.left = pop();
nptr.right = pop();
push(nptr);
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System.out.println(\"Invalid Expression\");
}
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return ch >= \'0\' && ch <= \'9\';
}
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}
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return ch - \'0\';
}
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public void buildTree(String eqn)
{
for (int i = eqn.length() - 1; i >= 0; i--)
insert(eqn.charAt(i));
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start = NULL;
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};
/*
* Main: Conatins Menu
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cout<<\"Insert Element after postion: \";
cin>>position;
dl.add_after(element, position);
cout<>element;
dl.delete_element(element);
cout<info = value;
temp->next = NULL;
if (start == NULL)
{
temp->prev = NULL;
start = temp;
}
else
{
s = start;
while (s->next != NULL)
s = s->next;
s->next = temp;
temp->prev = s;
}
}
/*
* Insertion at the beginning
*/
void double_llist::add_begin(int value)
{
if (start == NULL)
{
cout<<\"First Create the list.\"<prev = NULL;
temp->info = value;
temp->next = start;
start->prev = temp;
start = temp;
cout<<\"Element Inserted\"<next;
if (q == NULL)
{
cout<<\"There are less than \";
cout<info = value;
if (q->next == NULL)
{
q->next = tmp;
tmp->next = NULL;
tmp->prev = q;
}
else
{
tmp->next = q->next;
tmp->next->prev = tmp;
q->next = tmp;
tmp->prev = q;
}
cout<<\"Element Inserted\"<info == value)
{
tmp = start;
start = start->next;
start->prev = NULL;
cout<<\"Element Deleted\"<next->next != NULL)
{
/*Element deleted in between*/
if (q->next->info == value)
{
tmp = q->next;
q->next = tmp->next;
tmp->next->prev = q;
cout<<\"Element Deleted\"<next;
}
/*last element deleted*/
if (q->next->info == value)
{
tmp = q->next;
free(tmp);
q->next = NULL;
cout<<\"Element Deleted\"<info<<\" <-> \";
q = q->next;
}
cout<<\"NULL\"<next;
cnt++;
}
cout<<\"Number of elements are: \"<next;
p1->next = NULL;
p1->prev = p2;
while (p2 != NULL)
{
p2->prev = p2->next;
p2->next = p1;
p1 = p2;
p2 = p2->prev;
}
start = p1;
cout<<\"List Reversed\"<
Solution
#include
#include
#include
/*
* Node Declaration
*/
using namespace std;
struct node
{
int info;
struct node *next;
struct node *prev;
}*start;
/*
Class Declaration
*/
class double_llist
{
public:
void create_list(int value);
void add_begin(int value);
void add_after(int value, int position);
void delete_element(int value);
void search_element(int value);
void display_dlist();
void count();
void reverse();
double_llist()
{
start = NULL;
}
};
/*
* Main: Conatins Menu
*/
int main()
{
int choice, element, position;
double_llist dl;
while (1)
{
cout<>choice;
switch ( choice )
{
case 1:
cout<<\"Enter the element: \";
cin>>element;
dl.create_list(element);
cout<>element;
dl.add_begin(element);
cout<>element;
cout<<\"Insert Element after postion: \";
cin>>position;
dl.add_after(element, position);
cout.
#includeiostream#includecstdio#includecstdlibusing names.pdf
#includeiostream#includecstdio#includecstdlibusing names.pdfKUNALHARCHANDANI1 This document defines a C++ class for a circular linked list. The class contains methods for creating nodes, adding elements to the beginning of the list, deleting elements, and displaying the list. A node struct is also defined containing an info field and a next pointer.
Print Star pattern in java and print triangle of stars in java
Print Star pattern in java and print triangle of stars in javaHiraniahmad Print Star pattern in java and print triangle of stars in java, print star triangle of java, * pattern in java
C++ Program to Implement Doubly Linked List #includei.pdf
C++ Program to Implement Doubly Linked List #includei.pdfLalkamal2 This C++ program implements a doubly linked list with the following functions:
- create() adds a node to the empty list
- append() adds a node to the end of the list
- insert() inserts a node at a given index position
- del() deletes a node with a given value
- display() prints out the contents of the list
It uses a node struct to define each list element and a DLL class to implement the linked list functions.
(In java language)1. Use recursion in implementing the binarySearc.pdf
(In java language)1. Use recursion in implementing the binarySearc.pdfrbjain2007 (In java language)
1. Use recursion in implementing the binarySearch method
2. Use Generics in implementing different methods
3. Use the attached driver. Do not modify the driver
Please put answers into the skeleton / complete the following given skeleton with the code in
java language:
import java.util.ArrayList;
public class MyGenerics{
//Declarations
//****************************************************************************
//No-argument constructor:
//****************************************************************************
public MyGenerics (){
}//end of constructor
//****************************************************************************
//max: Receives a generic one-dimensional array and returns the maximum
// value in the array.
//****************************************************************************
public > E max(E[] list){
return null;
}//end of max
//****************************************************************************
//max: Receives a generic two-dimensional array and returns the maximum
// value in the array.
//****************************************************************************
public > E max(E[][] list) {
return null;
}
//****************************************************************************
//largest: Receives a generic arrayList and returns the maximum
// value in the array.
//****************************************************************************
public > E largest(ArrayList list) {
return null;
}
//****************************************************************************
//binarySearch: Receives a generic one-dimensional array and a generic key
// and returns the location of the key (positive) or
// a negative location if not found.
//****************************************************************************
public > int binarySearch(E[] list, E key) {
int low = 0;
int high = list.length - 1;
return binarySearch (list, key, low, high);
}
public > int binarySearch(E[] list, E key, int low, int high) {
return -99; // update
}
//****************************************************************************
//sort: Receives a generic arrayList and returns nothing.
//****************************************************************************
public > void sort(ArrayList list) {
}
//****************************************************************************
//sort: Receives a generic one-dimensional array and returns nothing.
//****************************************************************************
public > void sort(E[] list) {
}
//****************************************************************************
//displayOneDList: Receives a generic one-dimensional array and displays its contents
//****************************************************************************
public void displayOneDList(E[] list, String listName){
}
//****************************************************************************
//displayTwoDList: Receives a generic two-dimensional array & a string .
g++ -o simpleVector.exe simpleVector.cpp #include stdio.h #i.pdf
g++ -o simpleVector.exe simpleVector.cpp #include stdio.h #i.pdfarakalamkah11 //g++ -o simpleVector.exe simpleVector.cpp
#include
#include
#include
using namespace std;
/******************************************************
* Template class named SimpleVector
* An array that can hold any specified
* data type. Use a dynamic array.
******************************************************/
template
class SimpleVector
{
public:
//default constructor
SimpleVector();
//constructor with size of array
SimpleVector(int size);
//copy constructor
SimpleVector(const SimpleVector& object);
//setter method
void SetArray(int size);
//getter method
void ShowArray(int size);
//destructor
void FreeMemory();
//accessor method
int GetSizeOfArray();
//getter method
T GetElementAt(int index);
//Overload the [] operator. The argument is a subscript.
//This function returns a reference
//to the element in the array indexed by the subscript.
T operator [] (int subscript);
private:
//private memeber variable
T *array; //to dynamically allocate an array
T *copy;
};
//These function are going to be used in switch statement
//in order to test each case(integer, double, string).
void caseOne(int userInput, int size);
void caseTwo(int userInput, int size);
void caseThree(int userInput, int size);
int main() {
int userInput;
int size;
char keepInput;
do {
cout << \"What type of data do you want?\ \";
cout <<\"1. intger\ \";
cout <<\"2. double\ \";
cout <<\"3. strings\ \";
cin >> userInput;
cout << \"Enter the number of data \";
cin >> size;
switch(userInput) {
case 1:
{
caseOne(userInput, size);
break;
}
case 2:
{
caseTwo(userInput, size);
break;
}
case 3:
{
caseThree(userInput, size);
break;
}
default:
cout << \"invalid input\";
}
cout << \"\ Do you want to enter the data again?(Y/N)\ \";
cin >> keepInput;
} while(toupper(keepInput) == \'Y\');
return 0;
}
//This funciton is called in the switch satatement
//The purpose of this funtion is test SimpleVecor calss
//funciton for \'int\' type.
void caseOne(int userInput, int size) {
SimpleVectorintegerData(size);
integerData.SetArray(size);
integerData.ShowArray(size);
cout << \"\ Enter an index to retrieve the data\ \";
cin >> userInput;
cout << \"\ Getting an element of array by \ \";
cout << \"1. GetElementAt function : \";
cout << integerData.GetElementAt(userInput);
cout << \"\ 2. overloaded operator [] : \";
cout << integerData[userInput];
cout << \"\ \ Copying the array\";
SimpleVectornewIntegerData(integerData);
newIntegerData.ShowArray(size);
newIntegerData.FreeMemory();
}
//This funciton is called in the switch satatement
//The purpose of this funtion is test SimpleVecor calss
//funciton for \'double\' type.
void caseTwo(int userInput, int size) {
SimpleVectordoubleData(size);
doubleData.SetArray(size);
doubleData.ShowArray(size);
cout << \"\ Enter an index to retrieve the data\ \";
cin >> userInput;
cout << \"\ Getting an element of array by \ \";
cout << \"1. GetElementAt function : \";
cout << doubleData.GetElementAt(userInput);
cout << \"\ 2. overloaded operator [] : \";
cout << doubleData[.
Writing MySQL UDFs
Writing MySQL UDFsRoland Bouman This document discusses user-defined functions (UDFs) in MySQL. It describes three types of functions - built-in, SQL stored, and user-defined. It focuses on user-defined functions and discusses the C/C++ implementation including initialization functions, row functions, data types, and data structures like UDF_INIT and UDF_ARGS that are passed between the function and MySQL. It provides examples of writing UDFs and recommends resources for learning more.
Need Help with this Java Assignment. Program should be done in JAVA .pdf
Need Help with this Java Assignment. Program should be done in JAVA .pdfarchiesgallery Need Help with this Java Assignment. Program should be done in JAVA please
Complete required scripts based on eclipse and troubleshoot the scripts until the tasks are done.
1. Implement a binary search tree (write the code for it), for a height of 2 or higher. Please show
the output if you can Thank you in advance!
Solution
I have compiled this code and checked for errors, worked fine.
Also after the code I have pasted the Output transcript to show what User Inputs I gave and what
all outputs I got.
// Java Program to Implement Binary Tree
import java.util.Scanner;
/* Define Class BinaryTreeNode */
class BinaryTreeNode
{
BinaryTreeNode left, right;
int data;
/* Constructor */
public BinaryTreeNode()
{
left = null;
right = null;
data = 0;
}
/* Constructor */
public BinaryTreeNode(int n)
{
left = null;
right = null;
data = n;
}
/* Function to set left node */
public void setLeft(BinaryTreeNode n)
{
left = n;
}
/* Function to set right node */
public void setRight(BinaryTreeNode n)
{
right = n;
}
/* Function to get left node */
public BinaryTreeNode getLeft()
{
return left;
}
/* Function to get right node */
public BinaryTreeNode getRight()
{
return right;
}
/* Function to set data to node */
public void setData(int d)
{
data = d;
}
/* Function to get data from node */
public int getData()
{
return data;
}
}
/* Define anothe Class Operations to perform required operationns on Binary Tree*/
class Operations
{
private BinaryTreeNode root;
/* Constructor */
public Operations()
{
root = null;
}
/* Function to check if tree is empty */
public boolean isEmpty()
{
return root == null;
}
/* Functions to insert data */
public void insert(int data)
{
root = insert(root, data);
}
/* Function to insert data recursively */
private BinaryTreeNode insert(BinaryTreeNode node, int data)
{
if (node == null)
node = new BinaryTreeNode(data);
else
{
if (node.getRight() == null)
node.right = insert(node.right, data);
else
node.left = insert(node.left, data);
}
return node;
}
/* Function to count number of nodes */
public int countNodes()
{
return countNodes(root);
}
/* Function to count number of nodes recursively */
private int countNodes(BinaryTreeNode r)
{
if (r == null)
return 0;
else
{
int l = 1;
l += countNodes(r.getLeft());
l += countNodes(r.getRight());
return l;
}
}
/* Function to search for an element */
public boolean search(int val)
{
return search(root, val);
}
/* Function to search for an element recursively */
private boolean search(BinaryTreeNode r, int val)
{
if (r.getData() == val)
return true;
if (r.getLeft() != null)
if (search(r.getLeft(), val))
return true;
if (r.getRight() != null)
if (search(r.getRight(), val))
return true;
return false;
}
/* Function for inorder traversal */
public void inorder()
{
inorder(root);
}
private void inorder(BinaryTreeNode r)
{
if (r != null)
{
inorder(r.getLeft());
System.out.print(r.getData() +\" \");
inorder(r.getRight());
}
}
/* Function for preorder traversal */
public void preorder()
{
preorder(root);
}
priva.
Treatment, Architecture and Threads
Treatment, Architecture and ThreadsMathias Seguy DroidConUk 2016 [Barcamp]
In this conference, I want to talk about treatments.
By treatments, I mean where and how do you implement your business logic, the way your application handles data, your global algorithms,
And to do that, I need first to talk you about Architecture. But in Android, when you say "Architecture" every boby answers MVP / MVVM / ... so we will first have a look to those patterns, from an history point of view then we will discover that we have missed some layer to split concerns accross the application.
So we will talk about layer architecture (yep, also known as N-Tier architecture).
So, we have a better idea of what a generic architecture should be, now let's apply it on Android: Let's talk about the application object, and the service services layer, in particular we'll dive into the problem "do our business services have to be implemented extending Service ?".
Then I talk to you about a ServiceManager, that we have to implement, to centralize the management of all your services and all your threads pools.
And some much more :)
Enjoy the talk,
ANSimport java.util.Scanner; class Bina_node { Bina_node .pdf
ANSimport java.util.Scanner; class Bina_node { Bina_node .pdfanukoolelectronics This document contains Java code that defines a binary tree class with methods for inserting nodes, searching for values, counting nodes, checking if the tree is empty, and traversing the tree in preorder, inorder and postorder manners. A main method is included that allows a user to test the binary tree operations by selecting options from a menu to insert nodes, search, count nodes or check emptiness and displays the results of tree traversals.
Qprgs
QprgsSsankett Negi 1) This document contains 3 C programs that implement different types of queues using arrays: a standard queue, a circular queue, and a multiple queue system.
2) The programs define functions for insertion, deletion, checking if the queue is full/empty, and displaying the contents.
3) Main contains a menu to test the different queue functions and take user input for operations.
C# labprograms
C# labprogramsJafar Nesargi The program defines a jagged array with 3 inner arrays of unspecified length. It initializes the inner arrays. It then iterates through the jagged array and sums all elements of the inner arrays. The total sum is returned.
Codigo fuente
Codigo fuenteBlackD10 This document contains code for displaying a matrix on an 8x8 LED display using a PIC microcontroller. It includes function definitions to send individual columns of data, send a vector to the display by forming it into a matrix, and send the entire matrix to the display. The main function initializes ports, declares some global vectors, and calls the functions to continuously display one vector then clear the display.
mainpublic class AssignmentThree { public static void ma.pdf
mainpublic class AssignmentThree { public static void ma.pdffathimafancyjeweller // main
public class AssignmentThree
{
public static void main(String[] args)
{
List myList = new List(15);
// Cause List Empty Message
myList.removeFront();
myList.removeRear();
myList.removeItem(\"a\");
// Cause Not found message
myList.addToFront(\"x\");
myList.removeItem(\"y\");
myList.removeItem(\"x\");
myList.addAfterItem(\"x\", \"z\");
myList.addBeforeItem(\"x\", \"z\");
// Normal behavior
myList.addToFront(\"not.\");
myList.addToFront(\"or\");
myList.addToRear(\"is\");
myList.addToRear(\"try.\");
myList.addAfterItem(\"is\", \"no\");
myList.addBeforeItem(\"is\", \"There\");
myList.addToFront(\"Do\");
myList.addAfterItem(\"or\", \"do\");
myList.print(\"Original list\");
myList.printSorted(\"Sorted Original List\");
sop(\"\ Front is \" + myList.getFront());
sop(\"Rear is \" + myList.getRear());
sop(\"Count is \" + myList.askCount());
sop(\"Is There present? \" + myList.isPresent(\"There\"));
sop(\"Is Dog present? \" + myList.isPresent(\"Dog\"));
myList.addToFront(\"junk\");
myList.addToRear(\"morejunk\");
myList.addAfterItem(\"or\", \"moremorejunk\");
myList.print(\"List with junk\");
sop(\"Count is \" + myList.askCount());
myList.removeFront();
myList.removeRear();
myList.removeItem(\"moremorejunk\");
myList.print(\"List with junk removed\");
sop(\"Count is \" + myList.askCount());
sop(\"\");
// Cause List Full message
for(int ii = 0; ii < 10; ++ii)
{
myList.addToFront(DUMMY);
}
myList.addToRear(DUMMY);
myList.addBeforeItem(\"no\", DUMMY);
myList.addAfterItem(\"There\", DUMMY);
myList.print(\"After filling List\");
sop(\"Count is \" + myList.askCount());
while(myList.isPresent(DUMMY)) myList.removeItem(DUMMY);
myList.print(\"After removing \" + DUMMY );
sop(\"Count is \" + myList.askCount());
}
private static void sop(String s)
{
System.out.println(s);
}
private static final String DUMMY = \"dummy\";
}
Solution
Following is MyList implementation for your output as:
Java Code:
import java.util.Comparator;
public class MyList {
private Node start;
private Node end;
private int size;
private int capacity;
public MyList(int capacity) {
start = null;
end = null;
size = 0;
this.capacity = capacity;
}
/* Function to check if list is empty */
public boolean isEmpty() {
return start == null;
}
public void removeFront() {
if (isEmpty()) {
System.out.println(\"List Empty\");
return;
} else {
start = start.next;
size--;
return;
}
}
public void removeRear() {
if (size == 0) {
System.out.println(\"List Empty\");
return;
}
if (start.next == null) {
start=null;
end=null;
size=0;
}
Node node = start.next;
while (node.next != null) {
node = node.next;
}
node.next = null;
end = node;
size--;
}
public void removeItem(String key) {
if (size == 0) {
System.out.println(\"List Empty\");
return;
}
if (start.next == null) {
if (start.key.equals(key)) {
start=null;
end=null;
size=0;
} else {
System.out.println(\"\");
}
return;
}
Node node = start;
Node nodeNext = node.next;
while (nodeNext.next != null) {
if (nodeNext.key.equals(key)) {
node.next=nodeNext.next;
}.
Objective Min-heap queue with customized comparatorHospital emerg.pdf
Objective Min-heap queue with customized comparatorHospital emerg.pdfezhilvizhiyan Objective: Min-heap queue with customized comparator
Hospital emergency room assign patient priority base on symptom of the patient. Each patient
receives an identity number which prioritizes the order of emergency for the patient. The lower
the number is, the higher the emergency will be.
Use java.util.PriorityQueue to write a java program to create the emergency room registration
database. The patient.txt is the input file for patient record. Download patient.txt, Patient.java to
perform following specifications:
(a)Load all records from the input file.
(b)At the end, print the list in assigned priority order.
Given Code:
//*******************************************************************
// Patient.java
//*******************************************************************
public class Patient
{
private int id;
private String name;
private String emergencyCase;
//----------------------------------------------------------------
// Creates a customer with the specified id number.
//----------------------------------------------------------------
public Patient (int number, String custName,String er )
{
id = number;
name = custName;
emergencyCase = er;
}
//----------------------------------------------------------------
// Returns a string description of this customer.
//----------------------------------------------------------------
public String toString()
{
return \"Patient priority id: \" + id+\" Patient name: \"+name+\" Symptom: \"+emergencyCase;
}
public String getName()
{
return name;
}
public int getId()
{
return id;
}
public String getCase()
{
return emergencyCase;
}
}
/** Source code example for \"A Practical Introduction to Data
Structures and Algorithm Analysis, 3rd Edition (Java)\"
by Clifford A. Shaffer
Copyright 2008-2011 by Clifford A. Shaffer
*/
import java.util.*;
import java.math.*;
/** A bunch of utility functions. */
class DSutil {
/** Swap two Objects in an array
@param A The array
@param p1 Index of one Object in A
@param p2 Index of another Object A
*/
public static void swap(E[] A, int p1, int p2) {
E temp = A[p1];
A[p1] = A[p2];
A[p2] = temp;
}
/** Randomly permute the Objects in an array.
@param A The array
*/
// int version
// Randomly permute the values of array \"A\"
static void permute(int[] A) {
for (int i = A.length; i > 0; i--) // for each i
swap(A, i-1, DSutil.random(i)); // swap A[i-1] with
} // a random element
public static void swap(int[] A, int p1, int p2) {
int temp = A[p1];
A[p1] = A[p2];
A[p2] = temp;
}
/** Randomly permute the values in array A */
static void permute(E[] A) {
for (int i = A.length; i > 0; i--) // for each i
swap(A, i-1, DSutil.random(i)); // swap A[i-1] with
} // a random element
/** Initialize the random variable */
static private Random value = new Random(); // Hold the Random class object
/** Create a random number function from the standard Java Random
class. Turn it into a uniformly distributed value within the
range 0 to n-1 by taking the value mod n.
@param n The upper boun.
DesignPatterns-IntroPresentation.pptx
DesignPatterns-IntroPresentation.pptxMariusIoacara2 This document discusses various design patterns for embedded systems, including:
- State management, behavior, resource management, API design, reusability, interaction management, and complexity distribution patterns.
- Object-oriented patterns like singleton, proxy, adapter, mediator, and facade.
- Concurrency patterns like opportunistic polling, periodic polling, and channel patterns.
- Reliability patterns like protected channel, dual/triple channel, sanity check, and N-version patterns.
- Examples of implementing patterns like hardware proxy, singleton, and various channel patterns.
#include <stdio.h> #include <malloc.h> #define ISEMP.pdf
#include <stdio.h> #include <malloc.h> #define ISEMP.pdfharihelectronicspune #include <stdio.h>
#include <malloc.h>
#define ISEMPTY printf(\"\ EMPTY LIST:\");
/*
* Node Declaration
*/
struct node
;
snode* create_node(int);
void insert_node_first();
void insert_node_last();
void insert_node_pos();
void sorted_ascend();
void delete_pos();
void search();
void update_val();
void display();
void rev_display(snode *);
typedef struct node snode;
snode *newnode, *ptr, *prev, *temp;
snode *first = NULL, *last = NULL;
/*
* Main :contains menu
*/
int main()
whereas (ans == \'Y\'||ans == \'y\')
value = val;
newnode->next = NULL;
{return|come back|come\" id=\"tip_27\">come newnode;
}
}
/*
* Inserting Node initially
*/
void insert_node_first()
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node eventually
*/
void insert_node_last()
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node at position
*/
void insert_node_pos()
if (pos == 1)
{
if (first == last && initial == NULL)
{
initial = last = newnode;
first->next = NULL;
last->next = NULL;
}
else
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ Inserted\");
}
else if (pos>1 && pos<=cnt)
prev->next = newnode;
newnode->next = ptr;
printf(\"\ ----INSERTED----\");
}
else
}
}
printf(\"\ ---Sorted List---\");
for (ptr = first;ptr != NULL;ptr = ptr->next)
if (
Solution
#include <stdio.h>
#include <malloc.h>
#define ISEMPTY printf(\"\ EMPTY LIST:\");
/*
* Node Declaration
*/
struct node
;
snode* create_node(int);
void insert_node_first();
void insert_node_last();
void insert_node_pos();
void sorted_ascend();
void delete_pos();
void search();
void update_val();
void display();
void rev_display(snode *);
typedef struct node snode;
snode *newnode, *ptr, *prev, *temp;
snode *first = NULL, *last = NULL;
/*
* Main :contains menu
*/
int main()
whereas (ans == \'Y\'||ans == \'y\')
value = val;
newnode->next = NULL;
{return|come back|come\" id=\"tip_27\">come newnode;
}
}
/*
* Inserting Node initially
*/
void insert_node_first()
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node eventually
*/
void insert_node_last()
printf(\"\ ----INSERTED----\");
}
/*
* Inserting Node at position
*/
void insert_node_pos()
if (pos == 1)
{
if (first == last && initial == NULL)
{
initial = last = newnode;
first->next = NULL;
last->next = NULL;
}
else
worker = first;
initial = newnode;
first->next = temp;
}
printf(\"\ Inserted\");
}
else if (pos>1 && pos<=cnt)
prev->next = newnode;
newnode->next = ptr;
printf(\"\ ----INSERTED----\");
}
else
}
}
printf(\"\ ---Sorted List---\");
for (ptr = first;ptr != NULL;ptr = ptr->next)
if (.
Tested on EclipseBoth class should be in same package.pdf
Tested on EclipseBoth class should be in same package.pdfanupamagarud8 Tested on Eclipse
Both class should be in same package
/***********UNMember class***********/
import java.util.Scanner;
public class UNMember {
/*data member declaration*/
private String name;
private int NUID;
private String netID;
private String collegeLocation;
Scanner input=new Scanner(System.in);
/*Default constructor*/
public UNMember() {
}
/*Parameterized constructor*/
public UNMember(String name, int nUID, String netID) {
setName(name);
setNUID(nUID);
setNetID(netID);
setCollegeLocation();
}
/*Getter and setter method of data member variable*/
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getNUID() {
return NUID;
}
public void setNUID(int nUID) {
NUID = nUID;
}
public String getNetID() {
return netID;
}
public void setNetID(String netID) {
this.netID = netID;
}
public String getCollegeLocation() {
return collegeLocation;
}
public void setCollegeLocation() {
String collegeLocation;
/*Prompt for college location*/
System.out.println(\"Please Enter the college Location\");
collegeLocation=input.nextLine();
this.collegeLocation = collegeLocation;
}
@Override
public String toString() {
return \"Name:\" + name.toUpperCase() + \"\ NUID=\" + NUID + \"\ NetID:\" +
netID.toUpperCase() + \"\ Campus Location:\" + collegeLocation.toUpperCase()
+ \"\ \";
}
}
/************UNStaff class*************/
import java.text.DecimalFormat;
public class UNStaff extends UNMember{
/*Member data variable declaration*/
private String position;
private double wage;
/*Parameterized constructor*/
public UNStaff(String position, double wage,String name,int NUID,String netID) {
super(name,NUID,netID);
setPosition(position);
setWage(wage);
}
/*Getter and Setter method of data member variable*/
public String getPosition() {
return position;
}
public void setPosition(String position) {
if(position.equals(\"\")|| position==null){
this.position=\"NOT SET\";
}else{
this.position = position;
}
}
public double getWage() {
return wage;
}
/*Set wage , if wage less then 9 then we are setting it to -1*/
public void setWage(double wage) {
if(wage<9){
this.wage=-1;
}else{
this.wage = wage;
}
}
/*ToString method*/
@Override
public String toString() {
String result=\"Position:\" + position.toUpperCase() + \"\ \";
if(this.wage==-1){
result+=\"Wage:NOT SET\";
}else{
result+=\"Wage:$\"+new DecimalFormat(\"##.00\").format(this.wage);
}
return super.toString()+result;
}
public static void main(String args[]){
UNStaff staff=new UNStaff(\"secretary\", 50.6, \"David\", 123, \"UN123\");
UNStaff staff1=new UNStaff(\"cleark\", 8, \"Sam\", 129, \"UN129\");
System.out.println(\"**************\");
System.out.println(staff.toString());
System.out.println(\"**************\");
System.out.println(staff1.toString());
}
}
/***************output*************/
Please Enter the college Location
california
Please Enter the college Location
Los Angeles
**************
Name:DAVID
NUID=123
NetID:UN123
Campus Location:CALIFORNIA
Position:SECRETARY
Wage.
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Lec-12, 13 Quees A class for Dynamic Queue implementation
- 1. A class for Dynamic Queue implementation class DynIntQueue { private: struct QueueNode { int value; QueueNode *next; }; QueueNode *front; QueueNode *rear; int numItems; public: DynIntQueue(void); ~DynIntQueue(void); void enqueue(int); int dequeue(void); bool isEmpty(void); void makeNull(void); };
- 2. Implemenaton //************************ // Constructor * //************************ DynIntQueue::DynIntQueue(void) { front = NULL; rear = NULL; numItems = 0; } //************************ // Destructor * //************************ DynIntQueue::~DynIntQueue(void) { makeNull(); }
- 3. //******************************************** // Function enqueue inserts the value in num * // at the rear of the queue. * //******************************************** void DynIntQueue::enqueue(int num) { QueueNode *newNode; newNode = new QueueNode; newNode->value = num; newNode->next = NULL; if (isEmpty()) { front = newNode; rear = newNode; } else { rear->next = newNode; rear = newNode; } numItems++; }
- 4. //********************************************** // Function dequeue removes the value at the * // front of the queue, and copies it into num. * //********************************************** int DynIntQueue::dequeue(void) { QueueNode *temp; int num; if (isEmpty()) cout << "The queue is empty.n"; else { num = front->value; temp = front->next; delete front; front = temp; numItems--; } return num; }
- 5. //********************************************* // Function isEmpty returns true if the queue * // is empty, and false otherwise. * //********************************************* bool DynIntQueue::isEmpty(void) { if (numItems) return false; else return true; }
- 6. //******************************************** // Function makeNull dequeues all the elements * // in the queue. * //******************************************** void DynIntQueue::makeNull(void) { while(!isEmpty()) dequeue(); }
- 7. Program // This program demonstrates the DynIntQeue class void main(void) { DynIntQueue iQueue; cout << "Enqueuing 5 items...n"; // Enqueue 5 items. for (int x = 0; x < 5; x++) iQueue.enqueue(x); // Deqeue and retrieve all items in the queue cout << "The values in the queue were:n"; while (!iQueue.isEmpty()) { int value; value =iQueue.dequeue(); cout << value << endl; } }
- 8. Program Ouput Enqueuing 5 items... The values in the queue were: 0 1 2 3 4
Editor's Notes
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