using System;

interface gaana   //Interface for decorator creation

{

    void playingmusic();

}

public class tamil: gaana //Decorator 1

{

    public void playingmusic()

    {

        Console.WriteLine("Playing tamil music\n");

    }

}

public class hindi: gaana  //Decorator 2

{

    public void playingmusic()

    {

        Console.WriteLine("Playing hindi music\n");

    }

}

public class kannada: gaana  //Decorator 3

{

    public void playingmusic()

    {

        Console.WriteLine("Playing kannada music\n");

    }

}

public class plus_songs: download

{

    public void begin()

    {

        Console.WriteLine("Welcome\n");

    }

}

public class download : quality

{

    public void highq1()

    {

        Console.WriteLine("Download in high quality 320kbps\n");

    }

    public void lowq2()

    {

        Console.WriteLine("Download in low quality 128kbps \n");

    }

}

public class quality : ringtone

{

    public void ringtone1()

    {

        Console.WriteLine("Set as Ringtone? \n");

    }

}   

public class ringtone : done

{

    public void ringtoneset1()

    {

        Console.WriteLine("Ringtone Set Succesfully\n");

    }   

}

public class done

{

    public void done1()

    {

        Console.WriteLine("Thank you");

    }

}

​

public class Program

{

    public static void Main()

    {

        plus_songs s = new plus_songs();

        s.begin();

        s.highq1();

        s.lowq2();

        s.ringtone1();

        s.ringtoneset1();

        s.done1();

​

        Console.WriteLine("Choose the language to play:\n1.Tamil\n2.Hindi\n3.Kannada");

        int choice = Convert.ToInt32(Console.ReadLine());

        switch (choice)

        {

            case 1:

                tamil rg=new tamil();

                rg.playingmusic();//Decorator 1

            break;

            case 2:

                hindi sp=new hindi();

                sp.playingmusic();  //Decorator 2

            break;

            case 3:

                kannada qr=new kannada();

                qr.playingmusic();  //Decorator 3

            break;

        }           

        s.done1();

    }

}

​