File	Doc	Category	Size	Date	Package
PreferenceChangeEvent.java	API Doc	Java SE 5 API	3222	Fri Aug 26 14:57:28 BST 2005	java.util.prefs

PreferenceChangeEvent

• java.lang.Object
  • java.util.EventObject

Fields Summary
private String	key Key of the preference that changed.
private String	newValue New value for preference, or null if it was removed.
private static final long	serialVersionUID

Constructors Summary
public PreferenceChangeEvent(Preferences node, String key, String newValue) Constructs a new PreferenceChangeEvent instance. param node The Preferences node that emitted the event. param key The key of the preference that was changed. param newValue The new value of the preference, or null if the preference is being removed. super(node); this.key = key; this.newValue = newValue;

Methods Summary
public java.lang.String	getKey() Returns the key of the preference that was changed. return The key of the preference that was changed. return key;
public java.lang.String	getNewValue() Returns the new value for the preference. return The new value for the preference, or null if the preference was removed. return newValue;
public java.util.prefs.Preferences	getNode() Returns the preference node that emitted the event. return The preference node that emitted the event. return (Preferences) getSource();
private void	readObject(java.io.ObjectInputStream in) Throws NotSerializableException, since PreferenceChangeEvent objects are not intended to be serializable. throw new NotSerializableException("Not serializable.");
private void	writeObject(java.io.ObjectOutputStream out) Throws NotSerializableException, since NodeChangeEvent objects are not intended to be serializable. throw new NotSerializableException("Not serializable.");