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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

Defining Client Access with Interfaces

Note

The material in this section applies only to session and entity beans, not to message-driven beans. Because they have a different programming model, message-driven beans do not have interfaces that define client access.

A client may access a session or an entity bean only through the methods defined in the bean’s interfaces. These interfaces define the client’s view of a bean. All other aspects of the bean—method implementations, deployment descriptor settings, abstract schemas, and database access calls—are hidden from the client.

Well-designed interfaces simplify the development and maintenance of J2EE applications. Not only do clean interfaces shield the clients from any complexities in the EJB ...

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Publisher Resources

ISBN: 0201791684Purchase book