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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

Creating the Enterprise Bean

An enterprise bean is a server-side component that contains the business logic of an application. At runtime, the application clients execute the business logic by invoking the enterprise bean’s methods. The enterprise bean in our example is a stateless session bean called ConverterEJB. The source code for ConverterEJB is in the j2eetutorial/examples/src/ejb/converter directory.

Coding the Enterprise Bean

The enterprise bean in this example requires the following code:

  • Remote interface

  • Home interface

  • Enterprise bean class

Coding the Remote Interface

A remote interface defines the business methods that a client may call. The business methods are implemented in the enterprise bean code. The source code for the Converter ...

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Publisher Resources

ISBN: 0201791684Purchase book