Q1. Write a Java program to create a priority queue and apply the following operations: 1. Add the elements 1, 2, 3, 4, 5, 6 using add() method. 2. Print the priority queue. 3. Print the front element. 4. Remove the element '2'. 5. Print the final priority queue.
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- 1a. What is a stack? b. Write an algorithm for all operations in the stack? 2a.What is a queue? b. Write an algorithm for all operations in the queue?What is the difference between a stack and a queue in computer science, and how are they implemented? Provide examples of scenarios where using a stack or a queue would be the most appropriate data structure choice.Please answer the following, #3. Write clearly please. If postfix math is easy to analyze with a stack, would prefix math like ”/ * + 2 2 8 4” (which equals 8) be easy to analyze with a queue? How would you attempt to analyze this math with a queue? Lay out assumptions and use those in your solution as well.
- computer science~Java Show the state of the queue with the corresponding characters during the following sequence of queue operations, if executed on an initially empty queue? DA*T*AP*L*US (NB: A letter means "Enqueue() while an asterisks means "Dequeue()"). Show your steps of execution)Create a Queue Class and write a main() program to instantiate and use this class. Use arrays and java PL for this implementation. Ensure that your classhas the following attributes and methods: *Attributes: rear, front and any others which you deem necessary *Methods: queue(), enqueue(), dequeue(), isFull(), isEmpty(), peek()This is a java data structures question -> Answer YES or NO to the following: Would it make sense to call a queue? - a FILO structure? - a LILO structure? -> What is the main advantage of implementing a queue using a linked list rather than an array ?
- ANSWER ASAP. C++ LANGUAGE ONLY. (NOT C, NOT JAVA, NOT C#) CPP ONLY Using the double-ended linked list C language syntax code below, convert it into C++ and use it as the base. Modify the provided program into the ff: create a new class named student_queue. and then.. Implement the following methods for the class: front() - returns the pointer to the front element of the queue back() - returns the pointer to the back element of the queue push() - allocates memory for a new node and connects it to the existing queue pop() - retrieves the oldest node in the queue, copies the data to a structure, and frees up the memory from the queue empty() - returns 1 or 0 depending on whether the queue is empty or not size() - returns the number of elements in the queue Program code: #include <stdio.h>#include <stdlib.h>typedef struct se_list_type {int num;struct se_list_type* prev;struct se_list_type* next;} se_list;int main() {// Start the listse_list* head = NULL;se_list* cur =…Write a Java program to implement a stack by using array. o Define a Stack interface.o Define an ArrayStack class.o Define a Test class to test all methods 2. Write a Java program to implement a queue by using array o Define a Queue interface.o Define an ArrayQueue class.o Define a Test class to test all methods 3. Write a Java program to determine if a string is a palindrome by using stack. I need help with number 3Implement in Python a double-ended queue (deque): A double-ended queue is a data structure (ordered collection of items) similar to a traditional queue. It has two ends, front and end, but it is not restricted to adding or removing items. New items can be added on the front or on the end. Existing items can be removed from either end. The image graphically shows how the structure is. - Implement the requested structure using a single linked list, which implements the following functions: enterFront, enterEnd, removeFront, removeEnd- The data to be entered are animal-type objects; name, type of animal, age- Create a Main function with the available operations
- Show the results of the following sequence of events, by drawing the state of the data structure: add(4), add(8), add(1), add(6), remove(), remove() where add and remove are the operations that correspond to the basic operations in a: Stack [5] Queue [5]Assume you have a queue with a maximum size of 100 elements and you want to perform the following operations: Enqueue 50 elements into the queue. Dequeue 20 elements from the queue. Enqueue 80 elements into the queue. Dequeue 60 elements from the queue. Enqueue 40 elements into the queue. What is the final size of the queue after performing all these operations?In C++, Write a program which is menudriven ( i) Enque, ii) Deque, iii) Peek iv) Print). It will create a circularQueue of integer type data using array. You have to implement the followingoperations.a. Enqueue (Insert a data to the queue)b. Dequeue (Remove an item from the queue and printit)c. Peek (Print the item at the Front)Print (Print the elements present at the queue)