using System;  

   public class Employee  

    {  

       public int i;

       public string s1="null";

        public Employee()  

        {  

            Console.WriteLine("Constructor Invoked");  

        }  

        ~Employee()  

        {  

            Console.WriteLine("Destructor Invoked");  

        }  

    }  

   public class TestEmployee{  

       public static void Main(string[] args)  

        {  

            Employee e1 = new Employee();  

            Employee e2 = new Employee();  

           Console.WriteLine("done");

           Console.WriteLine(e2.s1);

           Console.WriteLine(e1.i);

        }  

    }