June 2004
Intermediate to advanced
792 pages
23h 17m
English
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Chapter 1. Introduction
This book is about Enterprise JavaBeans 2.1, the latest version of the Enterprise JavaBeans specification. It also covers Enterprise JavaBeans 2.0, which is still in widespread use. Just as the Java platform has revolutionized the way we think about software development, the Enterprise JavaBeans (EJB) specification has revolutionized the way we think about developing mission-critical enterprise software. It combines server-side components with distributed object technologies, asynchronous messaging, and web services to greatly simplify the task of application development. It automatically takes into account many of the requirements of business systems, including security, resource pooling, persistence, concurrency, and transactional integrity.
This book shows you how to use Enterprise JavaBeans to develop scalable, portable business systems. But before we can start talking about EJB itself, we’ll need a brief introduction to the technologies addressed by EJB, such as component models, distributed objects, asynchronous messaging, and web services. It’s particularly important to have a basic understanding of component transaction monitors, the technology that lies beneath EJB. In Chapter 2 and Chapter 3, we’ll look at EJB itself and see how enterprise beans are put together. The rest of the book is devoted to developing enterprise beans for an imaginary business and discussing advanced issues.
It is assumed that you’re already familiar with Java; if you’re not, ...
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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.
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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.