using System.Collections;

using System;

​

​

 namespace DemoApplication

{

 public class Program

 {

  public static void Main()

  {

   ArrayList a1 = new ArrayList();

   a1.Add(1);

   a1.Add("Example");

   a1.Add(true);

      Console.WriteLine("a1 is {0}",a1[0]);

      Console.WriteLine("a1 in 1st posistion {0}",a1[1]);

      Console.WriteLine("a1 in 1st posistion {0}",a1[2]);

  }

 }

}