Module java.prefs
Package java.util.prefs
package java.util.prefs
This package allows applications to store and retrieve user and system
preference and configuration data. This data is stored persistently in an
implementation-dependent backing store. There are two separate trees of
preference nodes, one for user preferences and one for system preferences.
- Since:
- 1.4
-
ClassDescriptionThis class provides a skeletal implementation of the
Preferences
class, greatly easing the task of implementing it.Thrown to indicate that a preferences operation could not complete because of a failure in the backing store, or a failure to contact the backing store.Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of preferences, as per thePreferences
specification.An event emitted by aPreferences
node to indicate that a child of that node has been added or removed.A listener for receiving preference node change events.An event emitted by aPreferences
node to indicate that a preference has been added, removed or has had its value changed.A listener for receiving preference change events.A node in a hierarchical collection of preference data.A factory object that generates Preferences objects.