HREF="JSP Styles.css"

      TYPE="text/css">

The import Attribute

<%   JSP page directive   %>

<%@ page import="java.util.*,coreservlets.*" %>

<%   JSP Declaration (see Section 10.4)   %>

<%!

private String randomID() {

  int num = (int)(Math.random()*10000000.0);

  return("id" + num);

}

private final String NO_VALUE = "No Value";

%>

<%   JSP Scriptlet (see Section 10.3)   %>

<%

Cookie[] cookies = request.getCookies();

String oldID = 

  ServletUtilities.getCookieValue(cookies, "userID", NO_VALUE);

String newID;

if (oldID.equals(NO_VALUE)) {

  newID = randomID();

} else {

  newID = oldID;

}

LongLivedCookie cookie = new LongLivedCookie("userID", newID);

response.addCookie(cookie);

%>

<%   JSP Expressions (see Section 10.2)   %>

This page was accessed at <%= new Date() %> with a userID

cookie of <%= oldID %>.

Second edition of this book: www.coreservlets.com; Sequel: www.moreservlets.com.

Servlet and JSP training courses by book's author: courses.coreservlets.com.