Some interesting points and links to information here.
POJO validation
POJO validation is a bit of a hassle, especially if you are trying to protect your objects state by beeing restrictive on the get/set methods. Often you have to open up the object because of needs from webframeworks etc. At the JavaBin forums I came across OVal which tries to solve validation problems through annotations and aspects. Looks interesting and I’ll have to take a look at it whenever I get lucky enough to develop on a Java 5 project. 😉
JavaZone 2006 content online
JavaZone in Oslo is a really good conference, and I’ve been there 3 times now. The last two years I’ve only been able to attend one day, but it’s been good anyhow.
You can find slides/podcasts/videos from the sessions here.
One of the sessions I attended that provided the most hands on info I can use in my daily work was Jonathan Purdys presentation on The Top Ten Ways to Botch an Enterprise Java Application.