Java tutorial
import java.util.prefs.Preferences; public class Main { public static void main(String[] argv) throws Exception { // System preference nodes // Use a Class Preferences prefs = Preferences.systemNodeForPackage(java.lang.String.class); // Use an absolute path prefs = Preferences.systemRoot().node("/java/lang/String"); // Use a relative path prefs = Preferences.systemRoot().node("/javax/swing"); prefs = prefs.node("text/html"); // User preference nodes // Use a class prefs = Preferences.userNodeForPackage(Main.class); // Use an absolute path prefs = Preferences.userRoot().node("/com/mycompany"); // Use a relative path prefs = Preferences.userRoot().node("/javax/swing"); prefs = prefs.node("text/html"); } }