May 2002
Intermediate to advanced
360 pages
8h 30m
English
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Introduction to EJB
Enterprise Java Bean (EJB) is the component model for developing software components that are managed by the J2EE platform. The EJB specifications that outline the model also define the hosting environment responsible for managing the components (beans) at run time. The primary objective of EJB is to enable business application developers to focus their time developing the business functionality instead of building system functions such as multiuser support, transaction support, and so on. A typical EJB application developer does not need to know the system-level details of how the J2EE platform manages transactions, for example.
The EJB specifications handle the encapsulation and isolation of system interfaces by defining ...
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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.