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Head First EJB - any use?

 
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Like many others I own Head First EJB and am looking to sit the SCBCD 5 exam which is based around the EJB 3.0 specification. Are there any sections of the book that are worth reading (no change from EJB 2.0 -> EJB 3.0) before I can purchase one of the other recommended books, or is it a expensive doorstop now?
 
Darren Edwards
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I should search harder, same question asked not long ago!

https://coderanch.com/t/163832/java-EJB-SCBCD/certification/boodk-HFEJB

Still a good book if you want to know the specs for EJB 2.0, but mainly a doorstop for me
 
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I would say it will confuse you if you study now before SCBCD 5.

Entity beans are completely gone, EJB QL improved a lot and boiler plate code for session and MD beans removed.

Also SCBCD 5 has annotations.

So my suggestion, if you know EJB 2.x, good you will be able to understand EJB 3 easily but if you are just starting EJB then it will confuse you a lot if you study EJB 2.x
 
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