Uses of Interface
java.util.Observer
Packages that use Observer
Package
Description
Contains the collections framework, some internationalization support classes,
 a service loader, properties, random number generation, string parsing
 and scanning classes, base64 encoding and decoding, a bit array, and
 several miscellaneous utility classes.
- 
Uses of Observer in java.utilModifier and TypeMethodDescriptionvoidObservable.addObserver(Observer o) Deprecated.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.voidObservable.deleteObserver(Observer o) Deprecated.Deletes an observer from the set of observers of this object.