static LookAndFeel getFactory(CHOICE choice) {
        LookAndFeel lookAndFeel = null;
        switch (choice) {
            case WINDOWS:
                lookAndFeel = new WindowsLookAndFeel();
                break;
            case MOTIF:
                lookAndFeel = new MotifLookAndFeel();
                break;
        }
        return lookAndFeel;
    }