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An Observer is the corresponding interface to the
 Observable: The Observer is watching the
 Observable.
If the Observable changes its state, it calls the
 Observers setObservableState() method.
| Method Summary | |
|  void | notify(java.lang.Object pObject)The Observable indicates that its state has changed. | 
| Method Detail | 
public void notify(java.lang.Object pObject)
The Observable indicates that its state has changed. The Observer must inspect the Observable to detect what exactly has changed.
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