import java.io.*; import java.util.*; import javax.servlet.*; import javax.servlet.http.*; public class SessionTimer extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); PrintWriter out = res.getWriter(); // Get the current session object, create one if necessary HttpSession session = req.getSession(); out.println("