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public interface IObserver
Method Summary | |
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void |
update(IObservable o,
Object arg)
This method is called whenever the observed object is changed. |
Method Detail |
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void update(IObservable o, Object arg)
notifyObservers
method to have all the object's
observers notified of the change.
o
- the observable object.arg
- an argument passed to the notifyObservers
method.
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