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EJB 2 or EJB 3

Martin Baez
Greenhorn

Joined: May 03, 2010
Posts: 1
I've recently started reading for the SCEA exam, What version of EJB should I study for the SCEA exam?

thanks!
Jeanne Boyarsky
author & internet detective
Marshal

Joined: May 26, 2003
Posts: 30957
    
158

Martin,
Welcome to JavaRanch!

Per the McCade study guide, you need to know about both from a high level. EJB 3/JPA for the new code and EJB 2 for legacy systems. The good news is you don't need to know low level details. There's a different exam for that!


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Ryan Fernandes
Ranch Hand

Joined: Dec 11, 2003
Posts: 86

I'd prefer to point you to the Exam Objective that states:
Explain the benefits of the EJB 3 development model over previous EJB generations for ease of development including how the EJB container simplifies EJB development.

McCade's Study Guide is good, but you don't have to purchase it to understand what you need to study.

If you read the rest of the objectives under the "Section 4: Business Tier Technologies" heading, you'll realize that you don't need API knowledge , but you need to understand the concepts and applicability of the business tier technologies (EJB2.x, EJB3.x, JPA, Web services etc) clearly.


Unthinking respect for authority is the greatest enemy of truth. -Albert Einstein, physicist, Nobel laureate (1879-1955)
Jeanne Boyarsky
author & internet detective
Marshal

Joined: May 26, 2003
Posts: 30957
    
158

Ryan,
Fair enough. The study guide was closer since I am in the middle of reading it so I used it as a reference out of laziness .
 
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subject: EJB 2 or EJB 3