its listeners.
</blockquote>
            <h4><b>Don't extend visual look and feels.</b></h4>
<blockquote>
               We recommended that you <i>don't</i> implement
                UI classes of an auxiliary look and feel as subclasses of the
                UI classes of a visual look and feel. Why not? Because they might
                accidentally inherit code that installs listeners on a component
                object or renders the component on the display. As a result,
                your auxil