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J2EE™ and Beyond: Design, Develop, and Deploy World-Class Java™ Software by Art Taylor

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The Discussion Group System

The first case study examines the creation of a discussion group system that provides access to message lists. Assume that a client wants to create an online discussion group that can manage threaded message discussions in which one user enters a message on a topic and other users can respond to the message. The initial message and all responses to the message can be viewed as a message thread. This type of application is often referred to as a threaded message list or knowledge base in which knowledge provided by multiple users is exchanged.

Initially, the client would like the system to be used as a problem-tracking system for the IT department, to track problems and resolutions to problems for its internal systems. ...

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