May 2000
Beginner
726 pages
21h 42m
English
Content preview from Learning JavaBecome 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
Enterprise JavaBeans is a very big topic, and we can’t do more than provide a few paragraphs to whet your appetite. If you want more information, see Enterprise JavaBeans by Richard Monson-Haefel (O’Reilly & Associates). The thrust of EJB is to take the JavaBeans philosophy of portable, pluggable, components and extend it to accommodate the sorts of things that three-tiered networked and database-centric applications require. Although EJB is built on the basic JavaBeans concepts, it is much larger and more “special-purpose.” It doesn’t have a lot in common with the kinds of things we’ve been talking about in this chapter. EJBs are primarily server-side components for networked applications. Sun’s Forte development environment, among others, provides some support for working with Enterprise JavaBeans.
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 JavaBeans. But it does so in order to allow the server-side EJB container to take on a lot of responsibility for you and to optimize your application’s activities without you having to write a lot of code. Here are a few of the things that Enterprise JavaBeans tackles:
Object lifecycle and name service lookup
Container-managed persistence
Transaction management
Server resource pooling and management
Deployment configuration ...
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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.