public DVDPlayer() { _state = new StandbyState(); }
public DVDPlayer(DVDPlayerState state) { _state = state; }
public DVDPlayer() { this.state = new StandbyState(); }
public DVDPlayer(DVDPlayerState state) { this.state = state; }
public DVDPlayerContext() { _state = new StandbyState(); }
public DVDPlayerContext(DVDPlayerState state) { _state = state; }