Last several years there is a lot of buzz about Apache Kafka, Apache Pulsar and in general about event streams. But looking into lots of organizations they are in many case still relying on "old good traditional messaging". To give one example of that, IBM MQ is very popular within small, medium and big enterprises to realize messaging between systems.
While event streams are starting to play bigger role in integration, there are still big opportunities to build systems and services based on traditional messaging. In Java world, JMS is an excellent solution to that. Majority (if not all) Java frameworks for building services have support for JMS such as Spring, Quarkus, Jakarta EE application servers and many more.
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