using System;

public class Program

{

    public static void Main()

    {

        Test.DoSomething();

    }

}

public static class Test

{

    public static void DoSomething(string s)

    {

        Console.WriteLine(" You entered a string ");

    }

    public static void DoSomething(int x)

    {

        Console.WriteLine(" You entered a integer ");

    }

    public static void DoSomething()

    {

        Console.WriteLine(" You did not enter an arguement ");

    }

}

​