Serializablepublic class PreferenceChangeEvent extends EventObject
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.
source
| Constructor | Description |
|---|---|
PreferenceChangeEvent |
Constructs a new PreferenceChangeEvent instance. |
| Modifier and Type | Method | Description |
|---|---|---|
String |
getKey() |
Returns the key of the preference that was changed. |
String |
getNewValue() |
Returns the new value for the preference. |
Preferences |
getNode() |
Returns the preference node that emitted the event. |
getSource, toString
public PreferenceChangeEvent(Preferences node, String key, String newValue)
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()
public String getKey()
public String getNewValue()
null if the preference was removed.
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https://docs.oracle.com/en/java/javase/21/docs/api/java.prefs/java/util/prefs/PreferenceChangeEvent.html