Facade (HomeTheaterFacade):?

• The Facade class simplifies interactions with the subsystem by providing a

unified interface for the user. It wraps the complex subsystem and provides

higher-level methods that internally call the appropriate subsystem methods.

public class HomeTheaterFacade
{
private readonly Amplifier _amplifier;
private readonly DVDPlayer _dvdPlayer;
public HomeTheaterFacade(Amplifier amplifier, DVDPlayer

dvdPlayer)

{
_amplifier = amplifier;
_dvdPlayer = dvdPlayer;
}
public void WatchMovie(string movie)
{

_amplifier.On();

_dvdPlayer.Play(movie);

}
public void EndMovie()
{

_amplifier.Off();

}
}