import static java.lang.Math.random;

public class TryRemoteControl {
  public static void main(String args[]) {
    RemoteControl remote = null;

    // You will create five objects to operate using our remote
    for(int i = 0 ; i < 5 ; ++i) {
      // Now create either a TV or a DVD Player/Recorder at random
      if(random()<0.5)
        // Random choice of TV make and screen size
        remote = new TV(random()<0.5 ? "Sony" : "Hitachi", random()<0.5 ? 46 : 40);
      else // Random choice of DVD Player/Recorder
        remote = new DVDPlayer(random()<0.5 ? "Panasonic": "JVC");

      // Now operate it, whatever it is
      remote.powerOnOff();                                             // Switch it on
      remote.channelUp();                                              // Set the next channel up
      remote.volumeUp(10);                                             // Turn up the sound
    }
  }
}