 life-cycle methods and are called in the following sequence:
 <ol>
 <li>The servlet is constructed, then initialized with the <code>init</code> method.
 <li>Any calls from clients to the <code>service</code> method are handled.
 <li>The servlet is taken out of service, then destroyed with the <code>destroy</code> method, then garbage collected
 and finalized.
 </ol>

 <p>
 In addition to the life-cycle methods, this interface provides the <code>getServletConfig</code> method, which the
 servlet can use to 