Java Algorithm Programming Question Implement the ADT queue by using a circular linked list. Recal that this list has only an external reference to its last note. Show the output Example Output: Create a queue: isEmpty() returns true Add to queue to get Joe Jess Jim Jili Jane Jerry isEmpty() returns false Testing getFront and dequeue: Joe is at the front of the queue. Joe is removed from the front of the queue. Jess is at the front of the queue. Jess is removed from the front of the queue. Jim is at the front of the queue. Jim is removed from the front of the queue. Jill is at the front of the queue. Jill is removed from the front of the queue. Jane is at the front of the queue. Jane is removed from the front of the queue. Jerry is at the front of the queue. Jerry is removed from the front of the queue. The queue should be empty: isĒmpty() returns true Add to queue to get Joe Jess Jim Testing clear: isEmpty() returns true Add to queue to get Joe Jess Jim Joe is at the front of the queue. Joe is removed from the front of the queue. Jess is at the front of the queue. Jess is removed from the front of the queue. 3im is at the front of the queue. 3im is removed from the front of the queue. The queue should be empty: isEmpty() returns true The next calls will throw an exception. Exception in thread "main" EmptyQueueException at CircularLinkedQueue.getFront(CircularLinkedQueue. java:55) at Driver.testQueueOperations(Driver.java:76) at Driver.main(Driver.java:12)

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Implement a Queue using a vector or the STD ::queue:: class Note the difference in what it takes to implement using a char[] array vs a vector or the STD ::queue:: class The user will input a string and the program will return the string with each letter in the string duplicated. Displaying correct Queue implementation. Utilize the conventional methods as needed. Sample Execution Please input String: happy Program will produce the output string. Only use the enqueue(), dequeue(), empty(), etc hhaappyy

python help. Write a LikedQueue (code at bottom) Test it by: Add numbers from 13 to 23 in the queue.  Print the length of the queue Check if the queue is empty Show the item at the front of the queue Remove the first item in the queue Add 100 to the queue Remove all items in the queue Check if the queue is empty """File: linkedqueue.pyAuthor: Ken Lambert"""from node import Nodefrom abstractcollection import AbstractCollectionclass LinkedQueue(AbstractCollection):"""A link-based queue implementation."""# Constructordef __init__(self, sourceCollection = None):"""Sets the initial state of self, which includes thecontents of sourceCollection, if it's present."""self.front = self.rear = NoneAbstractCollection.__init__(self, sourceCollection)# Accessor methodsdef __iter__(self):"""Supports iteration over a view of self."""passdef peek(self):"""Returns the item at the front of the queue.Precondition: the queue is not empty.Raises: KeyError if the stack is empty."""if self.isEmpty():raise…

Implement a Single linked list to store a set of Integer numbers (no duplicate) • Instance variable• Constructor• Accessor and Update methods 2.) Define SLinkedList Classa. Instance Variables:     # Node head     # Node tail     # int sizeb. Constructorc. Methods     # int getSize() //Return the number of nodes of the list.     # boolean isEmpty() //Return true if the list is empty, and false otherwise.     # int getFirst() //Return the value of the first node of the list.     # int getLast()/ /Return the value of the Last node of the list.     # Node getHead()/ /Return the head     # setHead(Node h)//Set the head     # Node getTail()/ /Return the tail     # setTail(Node t)//Set the tail     # addFirst(E e) //add a new element to the front of the list     # addLast(E e) // add new element to the end of the list     # E removeFirst()//Return the value of the first node of the list     # display()/ /print out values of all the nodes of the list     # Node search(E key)//check if a given…

Write a program in Python to show how a queue works using empty, size, front, back, push item onto queue, and push item off queue.

Java

Implement a circular queue by writing circular.h and circular.c. Here are the contents of circular.h: #define QUEUE_SIZE 100 typedef struct { int head; int tail; int itemCount; int items[QUEUE_SIZE]; } CircularQueue; void CircularInitialize(CircularQueue * q); void CircularEnqueue (CircularQueue * q, int value); int Circular Dequeue (CircularQueue * q, int *pValue); Using an array, implement a circular queue of up to 100 elements of type integer. Implement the functions CircularEnqueue() and Circular Dequeue () to place numbers in the head of the queue and read them from the tail of the queue tail. A circular queue only saves the last n entries (where n is the number of elements in the queue). Overwrite the oldest entries with newest entries once the queue is full.

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With the concepts of Queue Data Structure, write the functions performing the following tasks: 1. Insertion of an element in the Queue i.e. enqueue() 2. Deletion of an Element from the Queue i.e. dequeue() 3. Display All Elements in the Queue i.e. dispqueue() 4. Display the Element at the Front i.e. dispfront() 5. enqueue() the Queue with the elements in ascending order. After that, use the above four functions to display the same elements in the Queue in descending order.