//copying data from one object to another

        static void Main(string[] args)
        {
            GlobalTechPark gtp  = new GlobalTechPark("WEST", 1);
            GlobalTechPark gtp2 = new GlobalTechPark(gtp);

            Console.WriteLine("details from parameterized constructor");
            gtp.showDetails();
            Console.WriteLine("details from copy constructor");
            gtp2.showDetails();
        }
 //copy constructor
 public GlobalTechPark(GlobalTechPark gtp)
 {
     CompanyName = gtp.CompanyName;
     CompanyId   = gtp.CompanyId;
 }