May 2004
Beginner to intermediate
1032 pages
23h 48m
English
book
Sams Teach Yourself J2EE™ in 21 Days, Second Edition
by Martin Bond, Dan Haywood, Debbie Law, Andy Longshaw, Peter Roxburgh
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Stateful Session Beans
Now that you have learned how to specify and implement stateless Session beans, it is time to look at stateful Session beans. As you shall see, there are many similarities, but the lifecycle is different and warrants close attention.
Specifying a Stateful Session Bean
Specifying a stateful Session bean is similar to specifying a stateless Session bean. The remote interface defines access to the bean by remote clients, and every method of the remote interface must throw a RemoteException. The primary difference (from a specification viewpoint) is that there can be multiple create() methods in the home interface of a stateful Session bean.
You will recall that a stateless Session bean allows for only a single no argument ...
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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.