JavaTM 2 Platform
Std. Ed. v1.4.2

Uses of Interface
java.util.Observer

Packages that use Observer
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). 
 

Uses of Observer in java.util
 

Methods in java.util with parameters of type Observer
 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.
 


JavaTM 2 Platform
Std. Ed. v1.4.2

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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