August 2005
Intermediate to advanced
448 pages
9h 30m
English
book
Migrating Applications from WebLogic, JBoss and Tomcat to WebSphere V6
by Hernan Cunico, Leonardo Fernandez, Christian Hellsten, Roman Kharkovski
Content preview from Migrating Applications from WebLogic, JBoss and Tomcat to WebSphere V6
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318 Migrating Applications from WebLogic, JBoss and Tomcat to WebSphere V6
Improves testability
JUnit test cases usually do not depend on external systems like databases or
a J2EE container. By coding to interfaces, you automatically improve
testability. Changing the concrete implementation of an interface, for example
changing a DAO to use an in-memory database instead of an RDBMS, is
done in one place only, the container configuration.
There are several implementations of the Dependency Injection pattern that are
available for download, such as:
PicoContainer
PicoContainer is a light-weight container that implements the Dependency
Injection ...
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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.