Where are JAVA user preferences saved on Windows ?

If you want to store user preferences/settings for a JAVA application, the java.util.prefs.Preferences class is the way to go. It abstracts the storage of the user info, as explained in the JAVA doc:

This class allows applications to store and retrieve user and system preference and configuration data. This data is stored persistently in an implementation-dependent backing store.

Question : On Windows, where are the JAVA user preferences stored ?
Answer : In the registry. Typically in HKEY_CURRENT_USER\Software\JavaSoft\Prefs\[your path] If you want to change your storage (i.e : backing store) you will need a new PreferencesFactory, as detailed in this post.

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