using System;

​

//Clase minicomponente o reproductor

public class Reproductor

{

    public static void Main()

    {

        Mp3 mp3 = new Mp3();

        Cd cd = new Cd();

        BaseReproducir currentReprod = mp3;

        currentReprod.Play();

        currentReprod = cd;

        currentReprod.Play();

    }

}

​

//Clase abstracta basereproducir

public abstract class BaseReproducir

{

    public virtual void Play()

    {

        Console.WriteLine("Musica por defecto");

    }

}

​

//Clase MP3

public class Mp3 : BaseReproducir

{

    public override void Play()

    {

        Console.WriteLine("Musica del MP3");

    }

}

​

//Clase CD

public class Cd : BaseReproducir

{

    public override void Play()

    {

        Console.WriteLine("Musica del CD");

    }

}

​