static void Main(string[] args)
        {
            int c = 10;

            c <<= 4;

            Console.WriteLine("Hello World!" + c);

            Dictionary <int, string> obj = new Dictionary <int, string>();

            obj.Add(1, "Rajesh");

            obj.Add(2, "Gopal"); obj.Add(3, "Mahi"); obj.Add(4, "Akash");

            Console.WriteLine("Hello World!" + obj[3]);

            displayDelegate displaydelegate;

            displaydelegate = display;

            displaydelegate += display2;

            //displaydelegate += display3;


            // displaydelegate("Hello Rajesh");
            Class1 t = new Class1();

            t.PassingDelegateAsAArgs(displaydelegate);
        }