Java tutorial
import java.util.*; import java.io.*; import javax.servlet.*; import javax.servlet.http.*; public class MyServlet 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("<HTML><HEAD><TITLE>SessionTimer</TITLE></HEAD>"); out.println("<BODY><H1>Session Timer</H1>"); // Display the previous timeout out.println("The previous timeout was " + session.getMaxInactiveInterval()); out.println("<BR>"); // Set the new timeout session.setMaxInactiveInterval(2 * 60 * 60); // two hours // Display the new timeout out.println("The newly assigned timeout is " + session.getMaxInactiveInterval()); out.println("</BODY></HTML>"); } }