// Concrete Implementor

// Here is an implementation of the EntertainmentDevice

// abstract class. I'm specifying what makes it different

// from other devices

public class DVDDevice extends EntertainmentDevice {

public DVDDevice(int newDeviceState, int newMaxSetting){

super.deviceState = newDeviceState;

super.maxSetting = newMaxSetting;

}

public void buttonFivePressed() {

System.out.println("DVD Skips to Chapter");

deviceState--;

}

public void buttonSixPressed() {

System.out.println("DVD Skips to Next Chapter");

deviceState++;

}

}