Tag Libraries: There is always tension between programmers who design and develop JSP pages and the content providers who author or edit these pages. How much programming should a page author need to know? » Read more

How do you test tag libraries?: The question is how to test JSP custom tags, and one answer is TagUnit. — Simon Brown

It's time to move on: There's been a lot of talk lately about how Tiger (J2SE 1.5) is going to make Java easier to develop with, bringing it to the masses (or as Sun call it, to the "corporate developers"). I have no doubt that this promise *will* be fullfilled. My question is: *when* will that happen? — Felipe Leme

Jess and the javax.rules API
The javax.rules APIs allows your Java application to interact with rules engines. Jess and the javax.rules API is a ServerSide article based on an excerpt from Ernest Friedman-Hill's book "Jess in Action". The javax.rules "API will include mechanisms for creating and managing sets of rules; for adding, removing, and modifying objects in working memory; and for initializing, resetting, and running the engine. "

Advanced DAO programming
In his recent developerWorks article on Advanced DAO programming , Sean C. Sullivan considers two approaches for transaction demarcation as well as exception handling and logging. Sullivan helps you decide whether your situation is better served by using JTA or JDBC by encouraging you to consider how transactions begin and end, which object is responsible for each, and how and when the transaction and DAO(s) communicate.