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J2EE™ Tutorial, The
book

J2EE™ Tutorial, The

by Stephanie Bodoff, Dale Green, Kim Haase, Eric Jendrock, Monica Pawlan, Beth Stearns
March 2002
Beginner to intermediate content levelBeginner to intermediate
528 pages
10h 12m
English
Addison-Wesley Professional
Content preview from J2EE™ Tutorial, The

Enterprise Beans

Figure 18-2 takes a closer look at the access paths between the clients, enterprise beans, and database tables. As you can see, the end-user clients (Web and J2EE application clients) access only the session beans. Within the enterprise bean tier, the session beans are clients of the entity beans. On the back end of the application, the entity beans access the database tables that store the entity states.

Figure 18-2. Enterprise Beans in the Duke’s Bank Application

The source code for these enterprise beans is in the j2eetutorial/bank/src/com/sun/ebank/ejb subdirectory.

Session Beans

The Duke’s Bank application has three session ...

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Publisher Resources

ISBN: 0201791684Purchase book