MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/*
 * Output:
 * 
stack: []
push(42)
stack: [42]
pop -> 42
stack: []
empty stack
    
    
 *  
 */

import java.util.Stack;
import java.util.EmptyStackException;

public class MainClass {

    public static void main(String args[]) {
        Stack st = new Stack();
        System.out.println("stack: " + st);
        st.push(new Integer(42));
        System.out.println("push(" + 42 + ")");
        System.out.println("stack: " + st);

        System.out.print("pop -> ");
        Integer a = (Integer) st.pop();
        System.out.println(a);
        System.out.println("stack: " + st);

        try {
            st.pop();
        } catch (EmptyStackException e) {
            System.out.println("empty stack");
        }
    }
}