<li>Bind objects to sessions, allowing user information to persist across multiple user connections
 </ul>

 <p>
 When an application stores an object in or removes an object from a session, the session checks whether the object
 implements <a href="../../../jakarta/servlet/http/HttpSessionBindingListener.html" title="interface in jakarta.servlet.http"><code>HttpSessionBindingListener</code></a>. If it does, the servlet notifies the object that it has been bound to
 or unbound from the session. Notification