Re: don't completely get it with JMS ...

The deal with JMS is that there are at two different, popular methods
used in Messaging, and JMS supports both of them. So in MQ you have
Queues accessed typically via RMI.

Other vendors support Topic style Messaging.

So the one that sends the message is called a publisher when sending
one-to-many, recieved by a Topic.

A one-to-one relationship is supported by a Sender placing a message
for a Queue.

Session is used by both the Queue and Topic receivers, and by the
Publisher and Sender. The Connection is just typically the JNDI
supplied access to the Messaging server.

HTH,
iksrazal
http://www.braziloutsource.com/

.

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