language: python 1. implement a queue using stacks 2. implement a stack using queue (must use push pop)
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language: python
1. implement a queue using stacks
2. implement a stack using queue (must use push pop)
Step by step
Solved in 4 steps
- create a Stack (show the push and pop method)and a Queue (show the enqueue and dequeue) ın one example. isfull() and isempty(). write a java code.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?This is java. Write the java code that takes the contents of a stack and places it in a queue and takes the contents of a queue and puts it in a stack. Your code can only use stack and queue data structure. swapStackAndQueue(stack, queue) //method call This is java.
- Compare and contrast Queues and stacksJava Using Queues to make a Stack Suppose that you have two integer queues but no stack. Implement the basic stack operations (push, pop, and peek) using the queues. (Use the queue class for integers called Queue attached below.) Queue.java is below public class Queue {private int[] queueArray;private int front;private int back;private int size;final int DEFAULT_CAP = 5;/* no-arg constructor initializes a queue with a default capacity of 5, * i.e. the stack can take 5 elements at most,*/public Queue(){queueArray = new int[DEFAULT_CAP];front = 0;back = 0;size = 0;}/* constructor that initializes a stack with a specific capacity (given as parameter)* */public Queue(int cap){queueArray = new int[cap];front = 0;back = 0;size = 0;}/* adds a new element to the queue if it is not full* */public void enqueue (int item){if (!isFull()){queueArray[back] = item;back = (back+1) % queueArray.length;size++;} }/* removes the first element from a queue if it is not empty* */public int dequeue(){int…Given the following stack A = {29, 18, 10, 15, 20, 9, 5, 13, 2, 4, 15} Create a queue by taking the elements from the top of the stack and adding them to the queue.
- Implement Stack using Queues The Stack class should support the following methods: int size() boolean isEmpty() int top() void push(int element) void pop() You can assume that you've access to a Queue class which provides the following methods: int size() boolean isEmpty() int front() int back() void push(int element) void pop()Java - Why is it a bad idea to implement a singly linked list version of a queue with the head of the list as the rear of the queue?A palindrome is a sequence of symbols such as a word, phrase, verse, or sentence, that reads the same way from either direction, forward or backward (e.g. madam). Write a program that reads a string, places each character of the string in both a queue and a stack, and then verifies whether the string is a palindrome.