예제 #1
0
 public void undo()
 {
     currentStereo.on();
     currentStereo.setCD();
     currentStereo.setVolume(11);
 }
예제 #2
0
 public void execute()
 {
     currentStereo.on();
     currentStereo.setCD();
     currentStereo.setVolume(11);
 }