June 2012
Intermediate to advanced
386 pages
10h 7m
English
Content preview from Web Technology: Theory and Practice
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7.3 EJB VERSIONS
EJB has progressed through many versions since it was first introduced as EJB 1.0 and then progressed into EJB2. Currently, the version is called EJB3, which is a lot different from EJB 2.0 in terms of functionality and architecture. Historically, EJB1.0 was unusable to an extent that EJBs were discontinued to be used. EJB2 served some good purpose but was far from simple to use. However, the new avatar in the form of EJB3 is not to be missed as it greatly enhanced ease of use and applicability. This section emphasizes EJB3.
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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.