MenuBar mb;
        Menu m1, m2, m3, m4, m4_1, m5;
        MenuItem mi1_1, mi1_2, mi3_1, mi3_2, mi3_3, mi3_4,
                 mi4_1_1, mi5_1, mi5_2,
                 pmi1, pmi2, mi5_1_duplicate;
        CheckboxMenuItem mi2_1;

        //Build the menu bar.
        mb = new MenuBar();
        setMenuBar(mb);

        //Build first menu in the menu bar.
        //Specifying the second argument as true
        //makes this a tear-off menu.
        m1 = new Menu("Menu 1", true);
        mb.add(m1);
        mi1_1 = new MenuItem("Menu item 1_1");
        m1.add(mi1_1);
        mi1_2 = new MenuItem("Menu item 1_2");
        m1.add(mi1_2);

        // end menu 1