Chapter 7. Tracking Users with Sessions and Cookies
Today you'll learn about one of the most popular uses of JSP—tracking users with sessions and cookies. Tracking users is a perennial problem; when a user looks at your Web page, has that user been there before? Will you be remembering something about her? Will you remember her present purchases and be checking them out, displaying their total cost? Will you be customizing her Web page in ways that she's specified in the past? Today you'll see several ways of tracking users, including the following:
Hidden text—. Using hidden controls in a Web page is the easiest way of associating some information with the user that's not directly accessible to him. However, the hidden text can be seen if the ...
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