The Java Messaging API (JMS) provides a mechanism for Java EE applications to send messages to each other. Java EE 7 introduced JMS 2.0, which greatly simplified the development of applications involving messaging functionality.
JMS applications do not communicate directly; instead, message producers send messages to a destination, and message consumers receive messages from that destination.
A message destination is a message queue when the Point-To-Point (PTP) messaging domain is used, or a message topic when the Publish/Subscribe (pub/sub) messaging domain is used.
In this chapter, we will cover the following topics:
- Working with message queues
- Working with message topics
Most application servers need to be configured in order for JMS applications to work properly. The Appendix, Configuring and deploying to GlassFish, includes instructions for configuring...