| 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
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
Deletes an observer from the set of observers of this object.
|