e messages that
 have been published to a topic. A <code>TopicSubscriber</code> object is the
 publish/subscribe form of a message consumer. A <code>MessageConsumer</code>
 can be created by using <code>Session.createConsumer</code>. 

 <P>A <code>TopicSession</code> allows the creation of multiple 
 <code>TopicSubscriber</code> objects per topic.  It will deliver each 
 message for a topic to each
 subscriber eligible to receive it. Each copy of the message
 is treated as a completely separate message. Wor