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工具集
KeyStore Explorer is an open source GUI replacement for the Java command-line utilities keytool and jarsigner. KeyStore Explorer presents their functionality, and more, via an intuitive graphical user interface.
实践数据库连接池之Druid
Druid是为监控而生的数据库连接池！
实践Tiles
实践sitemesh
实践JSP
JSP是在Servlet之后出现的，用于解决Servlet生成页面过于复杂麻烦，Servlet更适合逻辑，JSP用来处理页面。