对Java程序员有益的十个网站

http://stackoverflow.com

http://www.dzone.com

http://leetcode.com

http://docs.oracle.com/javase

https://github.com

https://www.coursera.org

http://www.javaworld.com

http://www.ibm.com/developerworks/javase

http://en.wikepedia.org/wiki

http://www.programcreek.com