March 2007
Intermediate to advanced
712 pages
21h 53m
English
Content preview from EJB 3 in ActionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Part 1. Overview of the EJB landscape
This book is about EJB 3, the shiny new version of the Enterprise JavaBeans standard. The timely rebirth of EJB is made possible through innovations introduced in Java SE 5, such as metadata annotations as well as the adoption of ideas like dependency injection and object-relational mapping (ORM)-based persistence.
Chapter 1 introduces EJB as a technology. The chapter also touches on the unique strengths EJB has as a development platform and the great new features that promote productivity and ease of use. Chapter 2 provides realistic code samples and presents the ActionBazaar application, the imaginary enterprise system developed throughout the book. Chapter 2 is easily the most code-intensive chapter ...
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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.