(Updated 15 Dec 2020 with correct completed status!)
Investigate Maven 2 for buildsHave a glance at TestNG unit testing(completed 2013)Potentially play with JMock for current testing framework(completed ~2009)Play with GWT.(completed 2009-2013)Sign up for Pragmatic Architect event- Check out JavaBlackBelt site - what is provided, and what are the feelings of professionals (or, more importantly, recruiters) towards these qualifications?
Look into getting Visual Studio .NET again so you can have a go at GUI development in it.(completed 2011)- Go to technorati.
Investigate JUnit 4 changes/improvements.
(Update: 15 Dec 2020: Huh. I did OK with these over the following decade...)
