using System;

public class Program

{   int x;

    int y;

    public Program(){}    //default constructor initialise the variable x.

     Program(int a,int b){

     x=a;

     y=b;    

    Console.WriteLine("PARAMETRISED CONSTRUCTOR IS CALLED\n"); 

    }

    Program(Program obj){

    x=obj.x;

    y=obj.y;

    Console.WriteLine("COPY CONSTRUCTOR CALLED \n");    

    }

    public void Display(){

     Console.WriteLine("the value of x= "+x+" value of y= "+y);

    }

   static Program(){

   Console.WriteLine("STATIC CONSTRUCTOR IS CALLED FIRS BUDDY\n");

   }

    public static void Main()

    {   Program p=new Program();

        p.Display();

        Program p1=new Program(10,20);

        p1.Display();

       Program p2=new Program(p1);

       p2.Display();

        //.Console.WriteLine("Hello World");

    }

}

​