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## java.util.prefs
Interface PreferenceChangeListener

All Superinterfaces:
  EventListener

    public interface PreferenceChangeListener

extends EventListener

A listener for receiving preference change events.

Since:
  1.4
See Also:
  `Preferences`, `PreferenceChangeEvent`, `NodeChangeListener`

Method Summary
`void` | `preferenceChange(PreferenceChangeEvent evt)` This method gets called when a preference is added, removed or when its value is changed.

Method Detail

### preferenceChange

    void preferenceChange(PreferenceChangeEvent evt)

  This method gets called when a preference is added, removed or when its value is changed.

  Parameters:
    `evt` - A PreferenceChangeEvent object describing the event source and the preference that has changed.

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