Jonathan Lehr seems like he is brewing on some excellent ideas. By using another abstraction layer he reduces code and enables reuse between frameworks.
Excellent article on the new Java5 locking libraries on DeveloperWorks.
Via java.no.
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Advanced obfuscating explained
Excellent explanation and discussion of obfuscation.
Update: It seems my original link was just a copy of the orignial article. š Updated now.