The SimpleMessageApp application has the following components:
Figure 231 illustrates the structure of this application. The application client sends messages to the queue, which was created administratively using the Admin Console. The JMS provider (in this case, the Application Server) delivers the messages to the instances of the message-driven bean, which then processes the messages.
Figure 231. The SimpleMessageApp Application
The source code for this application is in the <INSTALL>/javaeetutorial5/examples/ejb/simplemessage/ directory.