headfirst.combining.observer

Class Observable

java.lang.Object

headfirst.combining.observer.Observable

All Implemented Interfaces:

QuackObservable

public class Observable
extends java.lang.Object
implements QuackObservable

Field Summary

Fields

Modifier and Type	Field and Description
(package private) QuackObservable	duck
(package private) java.util.ArrayList<Observer>	observers

Constructor Summary

Constructors

Constructor and Description
Observable(QuackObservable duck)

Method Summary

Modifier and Type	Method and Description
java.util.Iterator	getObservers()
void	notifyObservers()
void	registerObserver(Observer observer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

observers

java.util.ArrayList<Observer> observers

duck

QuackObservable duck

Constructor Detail

Observable

public Observable(QuackObservable duck)

Method Detail

registerObserver

public void registerObserver(Observer observer)

Specified by:

registerObserver in interface QuackObservable

notifyObservers

public void notifyObservers()

Specified by:

notifyObservers in interface QuackObservable

getObservers

public java.util.Iterator getObservers()