API JMS : Java Message Service

Java Message Service (JMS) is an API provided by Java for sending, receiving, and processing messages in a loosely coupled, asynchronous way. It is widely used for integrating distributed applications using message-oriented middleware (MOM). JMS is often used in applications requiring reliable communication and decoupled architectures.


Core Concepts in JMS
Message Broker: Middleware (e.g., ActiveMQ, RabbitMQ) that facilitates message communication between producers and consumers.
Destination: Represents the endpoint (queue or topic) where messages are sent.
Queue: Point-to-Point communication (one producer, one consumer).
Topic: Publish/Subscribe communication (one producer, multiple subscribers).
Producer: Sends messages to a destination.
Consumer: Receives messages from a destination.
Message: The actual data being transmitted (e.g., text, object, XML).