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The JSP Files (part 6): State Of Grace
Learn how to "maintain state" on a JSP-based Web site with the Cookie and Session objects.

| A Perfect State |

Over the past few weeks, you've learned a great deal about the various control structures and objects available in JSP. You've see how to retrieve information posted in an online form, and connect your JSP document to a database for dynamic content generation.

This week in The JSP Files, we're going to tackle yet another very interesting topic - the problem of maintaining "state" on a Web site. We'll be looking at two common solutions to this problem - cookies and server-based sessions - and using simple examples to illustrate the JSP constructs available to help you identify and track client requests on your Web site.

You'll also learn more than you want to know about what exactly "maintaining state" actually means, the advantages and disadvantages of each of the approaches just described...and, if we're doing our job right, get a laugh or two out of the whole exercise.

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