J2EE实践：货币对换EJB 以一个简单的客户端/服务器应用程序为例描述了J2EE应用的开发、部署和运行的整个过程。该例由三部分组成：一个货币对换企业Bean，一个J2EE应用程序客户端和一个JSP页面组成的Web客户端。-J2EE practice : Currency exchange EJB right to a simple client / server applications example describes the J2EE application development, deployment and operation of the whole process. The cases from three components : a currency exchange business Bean, a J2EE application client and a JSP Web pages consisting of the client.