Servlet是Java Web开发必须要掌握的。
Servlet是什么？
A servlet is a Java technology based web component, managed by a container, that generates dynamic content. Like other Java-based components, servlets are platform independent Java classes that are compiled to platform neutral bytecode that can be loaded dynamically into and run by a Java enabled web server. Containers, some- times called servlet engines, are web server extensions that provide servlet function- ality. Servlets interact with web clients via a request/response paradigm implemented by the servlet container.
Servlet Container是什么？
The servlet container is a part of a web server or application server that provides the network services over which requests and responses are sent, decodes MIME based requests, and formats MIME based responses. A servlet container also contains and manages servlets through their lifecycle.
推荐图书：
Servlet Java Web 编程（郭宏志）
http://study.163.com/course/introduction/648001.htm
推荐阅读
Servlet 工作原理解析
http://www.ibm.com/developerworks/cn/java/j-lo-servlet/
总结
Servlet是JavaEE程序员必须掌握的核心技能之一。
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