using System;

using System.Collections;

​

public class ClStack

{

    public static void Main(string[] args)

    {

        Stack my_stack = new Stack();

        my_stack.Push(1);

        my_stack.Push(null);

        my_stack.Push("Test");

        my_stack.Push("0.01");

        my_stack.Push(1001.11);

        foreach(var elem in my_stack)

        {

        Console.WriteLine(elem);

        }

        Console.WriteLine("Total elements in my stack: {0}" + my_stack.Count);

        my_stack.Pop();

        Console.WriteLine("Total elements in my stack after pop: {0}" + my_stack.Count);

        my_stack.Clear();

        Console.WriteLine("Total elements in my stack after clear: {0}" + my_stack.Count);

    }   

}