java 开源网站

http://www.open-java.com/

http://www.51cto.com

http://oschina.net

http://www.w3school.com.cn

http://www.uml.org.cn

http://www.1keydata.com/cn/sql/sql-distinct.php

http://javakaiyuan.com

http://www.open-open.com

http://www.iteye.com

http://www.umlchina.com

http://www.verydemo.com

http://www.jq-school.com

http://www.codefans.net

http://www.ostools.net/apidocs

http://www.jq-school.com/Material.aspx