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一、Java Applet的运行原理和生命周期
1.Applet被嵌入到HTML页面中,并由applet的容器(appletviewer或者Web浏览器)执行.
2.Applet的运行由浏览器控制,不由Applet中的代码控制.当浏览器载入包含由Applet的Web页面时,它将生成一个 Applet类的对象,然后利用 Applet类对象的五个public的void方法控制Applet的执行,这五个方法如下:init,start,paint,stop,destory;
3.Applet有5个public的void方法（Applet的生命周期）: ...
官网参考：http://stackoverflow.com/questions/1673841/examples-of-gof-design-patterns
Creational patterns
Abstract factory (recognizeable by creational methods returning an abstract/interface type)
* java.util.Calendar#getInstance()
* java.util.Arrays#asList()
* java.util.ResourceBundle#getBu ...
XWork2 整合到Struts2. XWork1 整合到 WebWork.
XWork is an command-pattern framework that is used to power Struts 2 as well as other applications. XWork provides an Inversion of Control container, a powerful expression language, data type conversion, validation, and pluggable configuration.
关于xwork:
XWo ...
DbUtils is a small set of classes designed to make working with JDBC easier. JDBC resource cleanup code is mundane, error prone work so these classes abstract out all of the cleanup tasks from your code leaving you with what you really wanted to do with JDBC in the first place: query and update data. ...