MapReduce
http://blog.csdn.net/fengyily/article/details/7659932
http://hedatou.com/
http://www.cppblog.com/marv/archive/2012/08/30/188731.aspx
http://jason2016.blog.51cto.com/892969/558905
关于Dom4J的文章:
http://zhangjunhd.blog.51cto.com/113473/126310
Struts
http://mrwlh.blog.51cto.com/2238823/1017728
http://www.cnblogs.com/jqyp/archive/2010/09/01/1815006.html
FastJson
http://code.alibabatech.com/wiki/pages/viewpage.action?pageId=2424946
http://www.cnblogs.com/zhenmingliu/archive/2011/12/29/2305775.html