本源代码主要向EJB初学者介绍JMS的使用，如何创建和初始化一个请求Requestor对象、如何初始化请求Requestor对象、如何建立一个会话和发送请求、如何打印出请求的过程信息、如何接受由反馈者replier发回的消息等-Source code to introduce the use of the JMS, EJB beginners how to create and initialize a request Requestor object, how to initialize the request Requestor objects, how to establish a session and send the request, how to print out the request process, how to accept respondents replier sent back messages