Java's implementation of an EMS in the Application Programming Interface (API) format is known as JMS.
JMS allows distributed Java applications to communicate with applications developed in any other technology that understands messaging through asynchronous messages. JMS applications contain a provider, clients, messages, and administrated objects.
Before JMS, each MOM vendor provided application access to its product through its product-specific (proprietary) API, making it available to different programming languages, including Java. JMS changed this notion by providing a standard, portable way for Java programs to send/receive messages through a MOM product. Any application written in JMS can be executed on any MOM that implements the JMS API standards. The JMS API is specified as a set of interfaces as part of the Java API. Hence, all the products that intend to...