Quick and Dirty JMS
The Java Messaging System presents a very interesting model for Asynchronous messaging. In essence, it provides the plumbing for sending a messages (or serializable objects) from disparate systems to a central listener which monitors the queue. Once a message is received, by the listener, it can then take some action on it. You can think of it as e-mail or Instant Messaging for applications. The listener will receive the messages in the order they were received by the Queue. Click here to read the entire tutorial
