March 2002
Intermediate to advanced
464 pages
8h 51m
English
book
Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications
by Gail Anderson, Paul Anderson
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3.5. Design Guidelines and Patterns
Even though the Loan EJB is a simple example, it adheres to basic design guidelines common to all enterprise applications. Most importantly, the business methods of an enterprise Java bean are encapsulated into a reusable, distributed component. The business methods perform tasks to accomplish one or more business processes. These business methods are devoid of any formatting or presentation information.
We showed you the Loan EJB's reusability by presenting two different clients: a stand-alone Java application with a simple command-line interface and a JSP client using a browser with HTML. Both clients call EJB business methods and perform the formatting and presentation aspects of the application.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.