## Uses of Class
java.util.Observable

Packages that use Observable
java.util: 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 Observable in java.util

Methods in java.util with parameters of type Observable
`void` Observer.`update​(Observable o, Object arg)` Deprecated. This method is called whenever the observed object is changed.