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## Uses of Class
java.util.prefs.Preferences

Packages that use Preferences
java.util.prefs | This package allows applications to store and retrieve user and system preference and configuration data.

Uses of Preferences in java.util.prefs

Subclasses of Preferences in java.util.prefs
`class` | `AbstractPreferences` This class provides a skeletal implementation of the `Preferences` class, greatly easing the task of implementing it.

Methods in java.util.prefs that return Preferences
`Preferences` | `NodeChangeEvent.getChild()` Returns the node that was added or removed.
`Preferences` | `PreferenceChangeEvent.getNode()` Returns the preference node that emitted the event.
`Preferences` | `NodeChangeEvent.getParent()` Returns the parent of the node that was added or removed.
`Preferences` | `AbstractPreferences.node(String path)` Implements the `node` method as per the specification in `node(String)`.
`abstract Preferences` | `Preferences.node(String pathName)` Returns the named preference node in the same tree as this node, creating it and any of its ancestors if they do not already exist.
`Preferences` | `AbstractPreferences.parent()` Implements the `parent` method as per the specification in `parent()`.
`abstract Preferences` | `Preferences.parent()` Returns the parent of this preference node, or `null` if this is the root.
`static Preferences` | `Preferences.systemNodeForPackage(Class<?> c)` Returns the preference node from the system preference tree that is associated (by convention) with the specified class's package.
`Preferences` | `PreferencesFactory.systemRoot()` Returns the system root preference node.
`static Preferences` | `Preferences.systemRoot()` Returns the root preference node for the system.
`static Preferences` | `Preferences.userNodeForPackage(Class<?> c)` Returns the preference node from the calling user's preference tree that is associated (by convention) with the specified class's package.
`Preferences` | `PreferencesFactory.userRoot()` Returns the user root preference node corresponding to the calling user.
`static Preferences` | `Preferences.userRoot()` Returns the root preference node for the calling user.

Constructors in java.util.prefs with parameters of type Preferences
`NodeChangeEvent(Preferences parent, Preferences child)` Constructs a new `NodeChangeEvent` instance.
`PreferenceChangeEvent(Preferences node, String key, String newValue)` Constructs a new `PreferenceChangeEvent` instance.

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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