Title: javaws prefrences
Subject: Where Does Javaws Store prefences, like a Username and Password
javaws caches the preferences in different places, depending on operating system.
 Linux:    File:     $HOME/.java/.userPrefs/<app specific>/prefs.xml
 OSX:      File:     $HOME/Library/Preferences/<app specific>.plist
 Windows:  Registry: HKEY_CURRENT_USER\Software\JavaSoft\Prefs\<app specific>