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Locking and @Version

 
Niranjan Deshpande
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Identify correct and incorrect statements about concurrency, including how it is managed through the use of @Version attributes and optimistic locking.

Which sections in the EJB3.0 in Action book does this exam objective map to?
 
Niranjan Deshpande
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any clue guys?
 
Don't get me started about those stupid light bulbs.
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