Complete the following code. /** Insert an item at the rear of the queue. post: item...
Complete the following code.
/** Insert an item at the rear of the queue.
post: item is added to the rear of the queue.
@param item The element to add
@return true (always successful)
*/
public boolean ____(E item) {
// Check for empty queue.
if (front == null) {
rear = new Node<E>(item);
front = rear;
} else {
// Allocate a new node at end, store item in it, and
// link it to old end of queue.
rear.next = new Node<E>(item);
rear = rear.next;
}
size++;
return true;
}
A.) offer
B.) remove
C.) peek
D.) getSize
Homework Answers
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Complete the following code.
/** Insert an item at the rear of the queue.
post: item...
My Question is: I have to modify this program, even a small modification is fine. Can...
My Question is: I have to modify this program, even a small modification is fine. Can anyone give any suggestion and solution? Thanks in Advanced. import java.util.*; class arrayQueue { protected int Queue[]; protected int front, rear, size, len; public arrayQueue(int n) { size = n; len = 0; Queue = new int[size]; front = -1; rear = -1; } public boolean isEmpty() { return front == -1; } public boolean isFull() { return front == 0 && rear ==size...
Are based on the following Queue class code segment class QueueFull {/* Empty exception class */};...
Are based on the following Queue class code segment class QueueFull {/* Empty exception class */}; Class Queue Empty {/* Empty exception class */}; struct Node//Node structure int data;//Holds an integer Node* next;//Pointer to next node in the queue}; Class Queue//Linked node implementation of Queue ADT {Private: Node* front;//Pointer to front node of queue Node* rear;//pointer to last node of queue Public: Queue ()://default constructor initializes queue to be empty -Queue ();//Deallocates all nodes in the queue Void Add (int...
PROBLEM: string CBQueue::dequeue( ) This method should remove and return the item at the front of...
PROBLEM: string CBQueue::dequeue( ) This method should remove and return the item at the front of the queue- please add comments EXISTING CODE: #include // this allows you to declare and use strings #include using namespace std; struct qNode { string data; qNode* next; qNode* prev; }; class CBQueue { public: CBQueue(); int CBQueue::getSize( ); bool CBQueue::isEmpty( ); private: qNode* front; qNode* rear; int size; }; #include "CBQueue.h" CBQueue::CBQueue() { front = NULL; rear = NULL; size = 0; }...
Hello, I have some errors in my C++ code when I try to debug it. I...
Hello, I have some errors in my C++ code when I try to debug it.
I tried to follow the requirements stated below:
Code:
// Linked.h
#ifndef INTLINKEDQUEUE
#define INTLINKEDQUEUE
#include <iostream>
usingnamespace std;
class IntLinkedQueue
{
private: struct Node {
int data;
Node *next;
};
Node *front; // -> first item
Node *rear; // -> last item
Node *p; // traversal position
Node *pp ; // previous position
int size; // number of elements in the queue
public:
IntLinkedQueue();...
Java Programming: The following is my code: public class KWSingleLinkedList<E> { public void setSize(int size)...
Java Programming: The following is my code: public class KWSingleLinkedList<E> { public void setSize(int size) { this.size = size; } /** Reference to list head. */ private Node<E> head = null; /** The number of items in the list */ private int size = 0; /** Add an item to the front of the list. @param item The item to be added */ public void addFirst(E...
Java help: Please help complete the locate method that is in bold.. public class LinkedDoubleEndedList implements...
Java help: Please help complete the locate method that is in bold.. public class LinkedDoubleEndedList implements DoubleEndedList { private Node front; // first node in list private Node rear; // last node in list private int size; // number of elements in list ////////////////////////////////////////////////// // YOU MUST IMPLEMENT THE LOCATE METHOD BELOW // ////////////////////////////////////////////////// /** * Returns the position of the node containing the given value, where * the front node is at position zero and the rear node is...
please explain all the steps. I need it ASAP. i will give u good ratings. Do...
please explain all the steps. I need it ASAP.
i will give u good ratings.
Do in java file Queues are often used to simulate the flow of people, cars, airplanes, transactions, and so on. Write a program that models checkout lines at a supermarket, using the Queue class from the queue.java program (Listing 4.4). Several lines of customers should be displayed; you can use the display, insertſ), and remove() method. You can add a new customer by pressing a...
I was told I need three seperate files for these classes is there anyway to tie...
I was told I need three seperate files for these classes is there anyway to tie all these programs together into one program after doing that. I'm using netbeans btw. import java.util.ArrayList; import java.util.Scanner; /** * * */ public class MySorts { public static void main(String[] args) { Scanner input = new Scanner(System.in); String sentence; String again; do { System.out .println("Enter a sentence, I will tell you if it is a palindrome: ");...
e. public class Queue { // Uses the correct Stack class from ME2 Ex 19 private Stack mStack; public Queue() { setStack(new Stack()); } public Queue enqueue(E pData) { getStack().push(pData); return t...
e. public class Queue { // Uses the correct Stack class from ME2
Ex 19 private Stack mStack; public Queue() { setStack(new Stack());
} public Queue enqueue(E pData) { getStack().push(pData); return
this; } public E dequeue() { return getStack().pop(); } public E
peek() { return getStack.peek(); } private Stack getStack() {
return mStack; } private void setStack(Stack pStack) { mStack =
pStack; } }
f. public class Queue extends Stack { // Uses the correct Stack
class from ME2 Ex...
Java/Queues ** Task: Write a JUnit test that shows a failure in some part of the...
Java/Queues ** Task: Write a JUnit test that shows a failure in some part of the ADT -----ArrayQueue.java------- public class ArrayQueue { private static final int INITIAL_CAPACITY = 2; // to permit easier testing private Object[] contents; private int front, rear; /** * Create an empty queue with an initial capacity. */ public ArrayQueue() { contents = new Object[INITIAL_CAPACITY]; } /** * Add an element to...
Are based on the following Queue class code segment class QueueFull {/* Empty exception class */}; Class Queue Empty {/* Empty exception class */}; struct Node//Node structure int data;//Holds an integer Node* next;//Pointer to next node in the queue}; Class Queue//Linked node implementation of Queue ADT {Private: Node* front;//Pointer to front node of queue Node* rear;//pointer to last node of queue Public: Queue ()://default constructor initializes queue to be empty -Queue ();//Deallocates all nodes in the queue Void Add (int...
Hello, I have some errors in my C++ code when I try to debug it.
I tried to follow the requirements stated below:
Code:
// Linked.h
#ifndef INTLINKEDQUEUE
#define INTLINKEDQUEUE
#include <iostream>
usingnamespace std;
class IntLinkedQueue
{
private: struct Node {
int data;
Node *next;
};
Node *front; // -> first item
Node *rear; // -> last item
Node *p; // traversal position
Node *pp ; // previous position
int size; // number of elements in the queue
public:
IntLinkedQueue();...
please explain all the steps. I need it ASAP.
i will give u good ratings.
Do in java file Queues are often used to simulate the flow of people, cars, airplanes, transactions, and so on. Write a program that models checkout lines at a supermarket, using the Queue class from the queue.java program (Listing 4.4). Several lines of customers should be displayed; you can use the display, insertſ), and remove() method. You can add a new customer by pressing a...
e. public class Queue { // Uses the correct Stack class from ME2
Ex 19 private Stack mStack; public Queue() { setStack(new Stack());
} public Queue enqueue(E pData) { getStack().push(pData); return
this; } public E dequeue() { return getStack().pop(); } public E
peek() { return getStack.peek(); } private Stack getStack() {
return mStack; } private void setStack(Stack pStack) { mStack =
pStack; } }
f. public class Queue extends Stack { // Uses the correct Stack
class from ME2 Ex...
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