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Sams Teach Yourself JavaServer Pages™ 2.0 with Apache Tomcat in 24 Hours by Kunal Mittal, Alan Moffet, Mark Wutka

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Hour 12 Saving Data Between Requests

What You’ll Learn in This Hour:

Image   How to securely store data in hidden form variables

Image   What sessions are and how they can be used to store information about a client

Image   How to store information that can be used by the entire application

Web programmers often need to keep track of data between user requests. For example, you’ll often need to remember who the client is so that you can personalize the content ...

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