1.DB2学习
http://www.ibm.com/developerworks/cn/data/library/index_DB2.html
2.移动开发服务
http://www.devstore.cn
3.火龙果培训
http://www.uml.org.cn/
4.双系统安装
http://www.cnblogs.com/Johness/p/3389376.html
5.maven库代码
http://maven.outofmemory.cn/
6.代码库
http://j7a.ru/_x509_factory_8java_source.html
jar:
http://grepcode.com/search/st