using System;

public class Program

{

    public static void Main()

    {

        IMyInterface obj = new Test();

        obj.DisplayMessage("Hi this is your first interface");

    }

    public interface IMyInterface

    {

        string Message {get; set;}

        void DisplayMessage(string message);

    }

    public class Test: IMyInterface

    {

        public string Message {get; set;}

        public void DisplayMessage(string message)

        {

            Console.WriteLine(message);

        }

    }

}