Observer
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A class can implement the Observer interface when it
wants to be informed of changes in observable objects.
Public Methods
public
abstract
void
update
(Observable o, Object arg)
This method is called whenever the observed object is changed. An
application calls an Observable object's
notifyObservers method to have all the object's
observers notified of the change.
Parameters
| o |
the observable object. |
| arg |
an argument passed to the notifyObservers
method.
|
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Last updated 2024-07-10 UTC.
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