desing pattern

http://www.dofactory.com/Patterns/Patterns.aspx
http://www.dofactory.com/Patterns/Patterns.aspx
http://hillside.net/patterns/
http://www.javafan.net/special/designpattern/index.jsp
http://www.csc.calpoly.edu/~dbutler/tutorials/winter96/patterns/
http://www.cjsdn.net/post/page?bid=17&sty=1&age=0
http://developer.yahoo.com/ypatterns/index.php
http://www.ida.liu.se/~uweas/Lectures/DesignPatterns01/home.html
http://www.matrix.org.cn/resourceList.shtml?kid=26&sid=91
http://www.dofactory.com/Framework/Framework.aspx

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http://terrylee.cnblogs.com/category/36516.html
http://www.dofactory.com/