# Uses of Interface
java.util.prefs.PreferenceChangeListener

Packages that use PreferenceChangeListener
Package | Description
--- | ---
java.util.prefs | This package allows applications to store and retrieve user and system preference and configuration data.

## Uses of PreferenceChangeListener in java.util.prefs

Methods in java.util.prefs with parameters of type PreferenceChangeListener
Modifier and Type | Method | Description
--- | --- | ---
`abstract void` | Preferences.`addPreferenceChangeListener​(PreferenceChangeListener pcl)` | Registers the specified listener to receive preference change events for this preference node.
`abstract void` | Preferences.`removePreferenceChangeListener​(PreferenceChangeListener pcl)` | Removes the specified preference change listener, so it no longer receives preference change events.