Interesting Projects to look at

Dependency Injection

• Guice http://code.google.com/p/google-guice/
• PicoContainer http://www.picocontainer.org/

Testing

• Hamcrest Mattchers http://code.google.com/p/hamcrest/
• JBehave http://jbehave.codehaus.org/

Reflection

• ParaNamer Method Parameter Names http://paranamer.codehaus.org/