December 2002
Intermediate to advanced
1050 pages
24h 49m
English
Content preview from J2EE™ and Beyond: Design, Develop, and Deploy World-Class Java™ SoftwareBecome 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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Business Tier Components
The J2EE specification describes an end-to-end environment for the development of enterprise applications—from client GUI libraries, to Web browsers, to Web servers running JSPs and servlets, to the business tier, to the resource tier.
Business tier components run on the middle tier and thus have historically been referred to as middleware. These components run within an application server, which provides the container for the components. As with applets, this container provides various services for the component: lifecycle management, pooling, security, and automatic failover.
Prior to the EJB specification, developers creating middleware components needed to write code to specifically manage the infrastructure and provide ...
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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.