ust override the <code>start()</code> method.
The <code>start()</code> method either performs the applet's work or
(more likely) sets up a helper object to perform the work.
<p>

Most applets that override <code>start()</code>
should also override the <code>stop()</code> method.
The <code>stop()</code> method 
should suspend the applet's execution, 
so that it doesn't take up system resources
when the user isn't viewing the applet's page.
For example, an applet that displays animation
should stop displaying