      1  public class StackDemo

      2  {

      3     public static void main(String[] args)

      4     {

      5        Stack<Integer> countdown = new Stack<Integer>();

      6        for (int i = 0; i <= 10; i++)

      7        {

      8           countdown.push(i);

      9        }

     10

     11        while(countdown.size() > 0)

     12        {

     13           System.out.println(countdown.pop());

     14        }

     15     }

     16  }