SJCP Prepare

http://dandydev.net/blog/i-got-93-on-my-ocjp-exam-here-is-how-i-did-it#.VGpf_smKWNI

http://www.javaranch.com/ 

 http://www.douban.com/group/topic/40140649/

http://www.mitbbs.com/article_t/CS/31211499.html