Uses of Class java.util.prefs.Preferences (Java SE 13 & JDK 13 )
Description: use: module: java.prefs, package: java.util.prefs, class: Preferences

# Uses of Class
java.util.prefs.Preferences

Packages that use Preferences
Package | Description
--- | ---
java.util.prefs | This package allows applications to store and retrieve user and system preference and configuration data.
jdk.jshell.tool | Provides a mechanism to launch an instance of a Java™ shell tool.

- ## Uses of Preferences in java.util.prefs

  Subclasses of Preferences in java.util.prefs
  Modifier and Type | Class | Description
  --- | --- | ---
  `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
  Modifier and Type | Method | Description
  --- | --- | ---
  `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.
  `static Preferences` | Preferences.`systemRoot()` | Returns the root preference node for the system.
  `Preferences` | PreferencesFactory.`systemRoot()` | Returns the system root preference node.
  `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.
  `static Preferences` | Preferences.`userRoot()` | Returns the root preference node for the calling user.
  `Preferences` | PreferencesFactory.`userRoot()` | Returns the user root preference node corresponding to the calling user.

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

- ## Uses of Preferences in jdk.jshell.tool

  Methods in jdk.jshell.tool with parameters of type Preferences
  Modifier and Type | Method | Description
  --- | --- | ---
  `JavaShellToolBuilder` | JavaShellToolBuilder.`persistence​(Preferences prefs)` | Set the storage mechanism for persistent information which includes input history and retained settings.