Class Bell

innerclasses/GreenhouseControls.java:91–101

  // An example of an action() that inserts a
  // new one of itself into the event list:
  public class Bell extends Event {
    public Bell(long delayTime) {
      super(delayTime);
    }
    @Override public void action() {
      addEvent(new Bell(delayTime.toMillis()));
    }
    @Override public String toString() {
      return "Bing!";
    }
  }
  public class Restart extends Event {
    private Event[] eventList;
    public