using System;

​

public class FileLog

{

    public void WriteLogs(string Message)

    {

        Console.WriteLine(Message + " written to FileLog");

    }

}

public class DBLog

{

    public void WriteLogs(string Message)

    {

        Console.WriteLine(Message + " written to DBLog");

    }

}

​

public class Program

{

    public static void Main()

    {

        FileLog logger1 = new FileLog();

        DoStuffFile(logger1);

        DBLog logger2 = new DBLog();

        DoStuffDB(logger2);

    }

    public static void DoStuffFile(FileLog logger)

    {

        logger.WriteLogs("Some log");

    }

    public static void DoStuffDB(DBLog logger)

    {

        logger.WriteLogs("Some log");

    }

}