static void Main(string[] args)
{
var player = new DVDPlayer();
player.PressPlayButton();
player.PressMenuButton();
player.PressPlayButton();
player.PressPlayButton();
player.PressMenuButton();
player.PressPlayButton();
player.PressPlayButton();
}
public override void MenuButtonPressed(DVDPlayer player)
{
player.State = new StandbyState();
}
public override void PlayButtonPressed(DVDPlayer player)
{
Console.WriteLine(" Next Menu Item Selected");
}
public override void PlayButtonPressed(DVDPlayer player)
{
player.State = new MoviePausedState();
}
public abstract void PlayButtonPressed(DVDPlayer player);
