Module java.prefs

Package 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

Modifier and Type	Method	Description
Preferences	systemRoot()	Returns the system root preference node.
Preferences	userRoot()	Returns the user root preference node corresponding to the calling user.

Method Details

systemRoot

Preferences systemRoot()

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

Returns:

the system root preference node

userRoot

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.

Returns:

the user root preference node corresponding to the calling user