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## java.util.prefs
Interface PreferencesFactory

public interface PreferencesFactory

A factory object that generates Preferences objects. Providers of new `Preferences` implementations should provide corresponding `PreferencesFactory` implementations so that the new `Preferences` implementation can be installed in place of the platform-specific default implementation.

This class is for `Preferences` implementers only. Normal users of the `Preferences` facility should have no need to consult this documentation.

Since:
  1.4
See Also:
  `Preferences`

Method Summary
`Preferences` | `systemRoot()` Returns the system root preference node.
`Preferences` | `userRoot()` Returns the user root preference node corresponding to the calling user.

Method Detail

### systemRoot

    public Preferences systemRoot()

  Returns the system root preference node. (Multiple calls on this method will return the same object reference.)

### userRoot

    public Preferences userRoot()

  Returns the user root preference node corresponding to the calling user. In a server, the returned value will typically depend on some implicit client-context.

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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.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.