September 2002
Intermediate to advanced
608 pages
14h 20m
English
Content preview from J2EE™ and JAX™: Developing Web Applications and Web ServicesBecome 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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Chapter 3. The Layered Application
The application we introduced in Chapter 2 functions properly, but it wasn't designed with flexibility in mind. Over the course of this book, the plan is to introduce the various APIs that make up the Java 2 Enterprise Edition (J2EE), and show how they can be incorporated into the example application. In order to do this, we'd like the application to be modularized in such a way that we can swap in various pieces of technology without disturbing the rest of the system. Although such flexibility is frequently touted as a benefit of object-oriented systems, in reality flexibility never comes about as an accident, no matter what language or methodology you might be using.
In order to give us this degree of flexibility, ...
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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.