## Uses of Class
java.util.Observable

- Packages that use Observable
  Package | Description
  --- | ---
  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
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | Observer.`update​(Observable o, Object arg)` | Deprecated. This method is called whenever the observed object is changed.