Delegate Example

using System;
namespace CSharpConsole
{
    class DelDemo
    {
        public void Add(int x, int y)
        {
            Console.WriteLine(x + y);
        }
        public static string SayHello(string name)
        {
            return "Hello " + name;
        }
        public delegate void AddDel(int a, int b);
        public delegate string SayDel(string name);

        static void Main()
        {
            DelDemo obj = new DelDemo();
            AddDel ad = new AddDel(obj.Add);
            SayDel  sd = new SayDel (DelDemo.SayHello);
            ad(100, 50); ad(234, 434); ad(672, 157);
            Console.WriteLine(sd("AAA"));
            Console.WriteLine(sd("BBB"));
            Console.WriteLine(sd("CCC"));
            Console.ReadLine();
                   
        }
    }
}