Overview of new feature, like Annotation

http://www.javaworld.com/javaworld/jw-01-2006/jw-0102-servlet_p.html

Soon there are many discussion about this, mostly negative: http://www.google.com/search?hs=3sp&hl=zh-TW&client=opera&rls=en&q=New+features+added+to+Servlets+2.5&btnG=%E6%90%9C%E5%B0%8B&lr=