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StackExample.java

import java.util.Stack;

/*
 Method 

 public E push(E item)

 Parameters:

 item - the item to be pushed onto this stack.

 Returns:

 the item argument.

 */

public class StackExample
{

    public static void main(String[] args)
    {
        Stack<String> stack = new Stack<String>();

        /*
         * Pushes an item onto the top of this stack. This has exactly the same
         * effect as: addElement(item)
         */
        
        stack.push("Apple");
        stack.push("Ball");
        stack.push("Cat");
        stack.push("Dog");
        
        /*
         * [
         *  Dog
         *  Cat
         *  Ball
         *  Apple
         * ]
         */

        System.out.println("stack : " + stack);
    }

}

stack : [Apple, Ball, Cat, Dog]