Explain the purpose of the program as detail as possible 3%. Develop a solution

Question

Explain the purpose of the program as detail as possible 3%. Develop a solution for the problem and mention algorithm used -12% List data structures to be used in the solution - 2%. Give a description of how to use the program and expected input/output - 3% For each method, give the pre and post conditions and invariants, if any - 5% Program execution according to the requirements 50% Naming of program as required 5% Useful comments and readability: 20% Write a program to implement a queue using stack. The file name should be MyQueue.java.

Explanation / Answer

import java.util.*; /* Class queueUsingStack */ class queueUsingStack { Stack s ; Stack tmp ; /* Constructor */ public queueUsingStack() { s = new Stack(); tmp = new Stack(); } /* Function to insert an element to the queue */ public void insert(int data) { /* if no element is present in stack s then * push the new element to stack s */ if (s.size() == 0) s.push(data); else { /* if elements are present in stack s then * pop all the elements from stack s and * push them to stack tmp */ int l = s.size(); for (int i = 0; i

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