public class PreferenceChangeEvent extends EventObject
An event emitted by a Preferences
node to indicate that a preference has been added, removed or has had its value changed.
Note, that although PreferenceChangeEvent inherits Serializable interface from EventObject, it is not intended to be Serializable. Appropriate serialization methods are implemented to throw NotSerializableException.
Preferences
, PreferenceChangeListener
, NodeChangeEvent
source
public PreferenceChangeEvent(Preferences node, String key, String newValue)
Constructs a new PreferenceChangeEvent
instance.
node
- The Preferences node that emitted the event.key
- The key of the preference that was changed.newValue
- The new value of the preference, or null
if the preference is being removed.public Preferences getNode()
Returns the preference node that emitted the event.
public String getKey()
Returns the key of the preference that was changed.
public String getNewValue()
Returns the new value for the preference.
null
if the preference was removed.
© 1993–2017, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.