RMH:... For UDDI understand the entities and the role they play in the problem that UDDI tries to address. For JAXR know how UDDI entities map to JAXR structures and understand the basic procedures of manipulation of these structures - don't try to memorize the entire API. (Also don�t skip the relevant appendices)
There are plenty of reports of exam question sets with "Lots of questions on UDDI/JAXR".
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