Answered: 2- Write a Java main program that…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Can you use only stack with this realization.

You must use ONLY stack data structure. Don’t use other different data structures like string or normal (pure) array or queue or array list.
- Don’t write any other method in the Stack class. All methods must be written in the main program.
- Don’t print the stack.
- The maksimum stack size is 100.

public class stack{
private int top;
private Object[] elements;

stack(int capacity){
elements = new Object[capacity];
top = -1;
}

void push(Object data) {
if (isFull())
System.out.println("Stack overflow");
else{
top++;
elements[top] = data;
}
}

Object pop(){
if(isEmpty())
{
System.out.println("Stack is empty");
return null;
}
else
{
Object retData = elements[top];
top--;
return retData;
}
}

boolean isEmpty(){
return(top == -1);
}
boolean isFull(){
return (top + 1 == elements.length);
}

int size(){
return top + 1;
}