February 2002
Beginner to intermediate
544 pages
10h 23m
English
book
Java™ Message Service API Tutorial and Reference: Messaging for the J2EE™ Platform
by Mark Hapner, Rich Burridge, Rahul Sharma, Joseph Fialli, Kim Haase
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40.1. Overview and Related Methods and Interfaces
A client uses a QueueSender object to send messages to a queue.
Normally, the Queue is specified when a QueueSender is created. In this case, an attempt to use the send methods for an unidentified QueueSender will throw a java.lang.UnsupportedOperationException.
If the QueueSender is created with an unidentified Queue, an attempt to use the send methods that assume that the Queue has been identified will throw a java.lang.UnsupportedOperationException.
During the execution of its send method, a message must not be changed by other threads within the client. If the message is modified, the result of the send is undefined.
After sending a message, a client may retain and modify it without affecting ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.