JMS Topic vs Queues

Question

I was wondering what is the difference between a JMS Queue and JMS Topic.

ActiveMQ page says

Topics

In JMS a Topic implements <

Answer 1

Queues

Pros

• Simple messaging pattern with a transparent communication flow
• Messages can be recovered by putting them back on the queue

Cons

• Only one consumer can get the message
• Implies a coupling between producer and consumer as it’s an one-to-one relation

Topics

Pros

• Multiple consumers can get a message
• Decoupling between producer and consumers (publish-and-subscribe pattern)

Cons

• More complicated communication flow
• A message cannot be recovered for a single listener