Module java.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
  • Interface Summary  
    InterfaceDescription
    NodeChangeListener
    A listener for receiving preference node change events.
    PreferenceChangeListener
    A listener for receiving preference change events.
    PreferencesFactory
    A factory object that generates Preferences objects.
  • Class Summary  
    ClassDescription
    AbstractPreferences
    This class provides a skeletal implementation of the Preferences class, greatly easing the task of implementing it.
    NodeChangeEvent
    An event emitted by a Preferences node to indicate that a child of that node has been added or removed.
    PreferenceChangeEvent
    An event emitted by a Preferences node to indicate that a preference has been added, removed or has had its value changed.
    Preferences
    A node in a hierarchical collection of preference data.
  • Exception Summary  
    ExceptionDescription
    BackingStoreException
    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.
    InvalidPreferencesFormatException
    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 the Preferences specification.