test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
test validation
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test validation

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  • Tip: Can use a QueueSession to create a receiver for the queue myQueue , and TopicSession to create a subscriber for the topic myTopic
  • Once message delivery begins, the message consumer automatically calls the message listener's onMessage method whenever a message is delivered. The onMessage method takes one argument of type Message, which the method can cast to any of the other message types. **The same listener can obtain messages from either a queue or a topic, depending on whether the listener is set by a QueueReceiver or a TopicSubscriber object.
  • -Every message has a unique identifier, represented in the header field JMSMessageID. -The value of another header field, JMSDestination, represents the queue or the topic to which the message is sent. -Other fields include a timestamp and a priority level.
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