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What is publish/subscribe messaging system
J2EE Interview Questions and Answers (Part 2)
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236. What is publish/subscribe messaging system
A messaging system in which clients address messages to a specific node in a content hierarchy, called a topic. Publishers and subscribers are generally anonymous and can dynamically publish or subscribe to the content hierarchy. The system takes care of distributing the messages arriving from a node's multiple publishers to its multiple subscribers.
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Other Interview Questions
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