June 2013
Beginner
1007 pages
33h 32m
English
Content preview from Learning Java, 4th EditionBecome 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,
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.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.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.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.
Enterprise JavaBeans and POJO-Based Enterprise Frameworks
Enterprise JavaBeans (EJB) is a very big topic, and we can’t do more than provide a few paragraphs of insight here. If you want more information, see Enterprise JavaBeans by Richard Monson-Haefel (O’Reilly). The thrust of EJB takes the JavaBeans philosophy of portable, pluggable components and extends it to the server side to accommodate the sorts of things that multitiered, networked, and database-centric applications require. Although EJB pays homage to the basic JavaBeans concepts, it is much larger and more specialized. It doesn’t have a lot in common with the kinds of things we’ve been talking about in this chapter. EJBs are server-side components for networked applications. EJBs and plain Java beans are both reusable, portable components that can be deployed and configured for specific environments. But in the case of EJBs, the components encapsulate access to business logic and database tables instead of GUI and program elements.
EJB ties together a number of other Java enterprise-oriented APIs—including database access, transactions, and name services—into a single component model for server applications. EJB imposes a lot more structure on how you write code than plain-old Java beans. It does so to allow the server-side EJB container to take on a lot of responsibility and optimize your application’s activities without your having to write a lot of code.
The first two major releases of Java Enterprise Edition ...
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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.