import java.util.prefs.Preferences;

public class Pref {
    public static void main(String args[]) {
	if (args.length < 2) {
	    System.out.println("Usage: java Pref [add|get] pref [value]");
	    System.exit(0);
	}
	Preferences prefs = null;
	if (args[0].equals("add")) {
	    // Add Pref
	    prefs = Preferences.userRoot().node(KEY);
	    prefs.put(args[1], args[2]);
	    System.out.println("Done!");
	} else if (args[0].equals("get")) {
	    // Get Pref
	    prefs = Preferences.userRoot().node(KEY);
	    String value = prefs.get(args[1], "default");
	    System.out.println(value);
	}
	System.out.println("Prefs = " + prefs.toString());
    }

    private static String KEY = "/foo/bar/key";
}