HttpSession sess = req.getSession(true);
resp.setContentType("text/html");
PrintWriter out = new PrintWriter(resp.getOutputStream());
out.println("<HTML>");
out.println("<HEAD><TITLE>HttpSessionInfoServlet Output</TITLE></HEAD>");
out.println("<BODY BGCOLOR=\"white\">");
out.println("<H1>HttpSessionInfoServlet Output</H1>");
out.println("<P>Session object = " + sess.toString());
if (sess instanceof Serializable) {
out.println("<P>Hurrah! Session object IS serializable");
} else {
out.println("<P>Session object NOT serializable");
}
out.println("<P>Getting some fields...!");
Class c = sess.getClass();
Field[] f = c.getDeclaredFields();
out.println("<OL>");
for (int i=0; i<f.length; i++)
out.println("<LI>" + f[i]);
out.println("<P>All done!");
out.println("</BODY>");
out.println("</HTML>");
out.close();
