import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.*; public class ExampleSessionServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { HttpSession session = request.getSession(true); response.setContentType("text/html"); PrintWriter out = response.getWriter(); String title = "Simple Session Servlet Example"; Integer accessCount = new Integer(0); if (session.isNew()) { } else { Integer oldAccessCount = (Integer)session.getValue("accessCount"); if (oldAccessCount != null) { accessCount = new Integer(oldAccessCount.intValue() + 1); } } session.putValue("accessCount", accessCount); out.println(title + "\n" + "

Information on Your Session:

\n" + "\n" + "\n" + " \n" + " \n" + " \n" + " \n" + "
Info TypeValue\n" + "
ID\n" + " " + session.getId() + "\n" + "
Creation Time\n" + " " + new Date(session.getCreationTime()) + "\n" + "
Time of Last Access\n" + " " + new Date(session.getLastAccessedTime()) + "\n" + "
Number of Previous Accesses\n" + " " + accessCount + "\n" + "
\n" + ""); } /* By using getCreationTime() and new Date().getTime() you can set timeouts * for the session. If you are using JSDK 2.2 or higher then you can use * setMaxInactiveInterval(int interval) for setting timeouts. */ }