java study site

1. IBM 한국 developerWorks (http://www.ibm.com/developerworks/kr/java/)
2. javase api (http://download.oracle.com/javase/1.5.0/docs/api/overview-summary.html)
3. Spring2.5 api (http://static.springsource.org/spring/docs/2.5.x/api/overview-summary.html)
4. Apache common (http://commons.apache.org/)
5. jakarta project 한국 커뮤니티 (http://www.jakartaproject.com/)
6. Whiteship (http://whiteship.me)
7. Java open source search(http://www.jexamples.com/search.html)