| Package | Description |
|---|---|
| java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
| Modifier and Type | Method and Description |
|---|---|
void |
Observable.addObserver(Observer o)
Adds an observer to the set of observers for this object, provided
that it is not the same as some observer already in the set.
|
void |
Observable.deleteObserver(Observer o)
Deletes an observer from the set of observers of this object.
|
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