Observer
Java SE 6
| public interface java.util Observer
|
Java SE 6 |
Observer interface when it
wants to be informed of changes in observable objects.
| version | 1.20, 11/17/05 |
| since | JDK1.0 |
| See also | java.util.Observable |
| Methods | |||||
|---|---|---|---|---|---|
| public void | update(Observable o, Object arg) Details
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.
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