内部类：
http://www.cnblogs.com/lgk1002/p/6069784.html
http://blog.csdn.net/davidluo001/article/details/50173823
http://www.cnblogs.com/ITtangtang/p/3980460.html
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java获取当前类名、方法名：
http://blog.csdn.net/a578559967/article/details/7688971
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Pattern类和Matcher类、常用正则表达式、正则语法：
http://www.cnblogs.com/ggjucheng/p/3423731.html
http://blog.csdn.net/xiaxia__/article/details/41775721
http://blog.csdn.net/he90227/article/details/37737713
http://www.cnblogs.com/liwendeboke/p/6027063.html
http://www.cnblogs.com/lzq198754/p/5780340.html
http://blog.csdn.net/allwefantasy/article/details/3136570/（长篇介绍）
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idea设置LiveTemplates（添加main、syso、方法注释等）：