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JavaRanch » Java Forums » Certification » Architect Certification (SCEA/OCMJEA)
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SCEA 5 and EJB

Jose Campana
Ranch Hand

Joined: May 28, 2007
Posts: 339
Merry XMas to you all !

Today I would like to ask a very simple Question. However I expect to have a very detailed answer if possible.
Here it goes(the question):

Do I need to know anything about EJB 2 (or any version prior to 3.0) Or is the exam part about EJB entirely about EJB 3.0 ?

If I do need to know something about prior versions of EJB please let know.

Best Regards,

J�se
Scott Soo
Ranch Hand

Joined: Oct 02, 2008
Posts: 83
Originally posted by Jose Campana:
Merry XMas to you all !

Today I would like to ask a very simple Question. However I expect to have a very detailed answer if possible.
Here it goes(the question):

Do I need to know anything about EJB 2 (or any version prior to 3.0) Or is the exam part about EJB entirely about EJB 3.0 ?

If I do need to know something about prior versions of EJB please let know.

Best Regards,

J�se


Hi,

Based on my exposure, I only see the need for knowing EJB 3.0. The key difference is the JPA portion. "EJB3 In Action" is a good book for your Part1, Part2 and Part3 preparation with respect to EJB portion.

Hope the above helps.

Good Luck!

Cheers!!
aleem khan
Ranch Hand

Joined: Aug 07, 2008
Posts: 94
No need of EJB2.0 knowledge, you can directly start from EJB3.0 ..yes EJB 3.0 in Action by Debu panda,Reza rehman is a good book to start with


SCJP(1.4), SCWCD, Oracle 9i SQL certified, Oracle PLSQL Developer Certified Associate
Jose Campana
Ranch Hand

Joined: May 28, 2007
Posts: 339
Hi There !

That's a relief you know, However I already have knowledge on EJB 2.0, so there's no problem. But now I should focus on the new spec alone, to take the best profit out of the time I dedicate to this part.

However, I do have an important Question to ask:

Does EJB 3.0 still includes the methodology to handle Transactions ?

-- I mean the process where you would mark attributes in the deployment descriptor for Transactions (Required, RequiresNew, Mandatory, Supports, etc )

If the EJB 3.0 spec does not have that anymore, Has it included something new in the spec to replace Transaction functionality?


Nice work you guys, always good to have answers from you,

Good Luck, and I expect to read from you soon,

Sincerely,

Jose
Scott Soo
Ranch Hand

Joined: Oct 02, 2008
Posts: 83
Originally posted by Jose Campana:
Hi There !

That's a relief you know, However I already have knowledge on EJB 2.0, so there's no problem. But now I should focus on the new spec alone, to take the best profit out of the time I dedicate to this part.

However, I do have an important Question to ask:

Does EJB 3.0 still includes the methodology to handle Transactions ?

-- I mean the process where you would mark attributes in the deployment descriptor for Transactions (Required, RequiresNew, Mandatory, Supports, etc )

If the EJB 3.0 spec does not have that anymore, Has it included something new in the spec to replace Transaction functionality?


Nice work you guys, always good to have answers from you,

Good Luck, and I expect to read from you soon,

Sincerely,

Jose


Hi,

Transaction is still supported. You can either do it in the Deployment Descriptor for your Entities or use Annotations to do that.

Thank you!

Cheers!!
Kailas Lovlekar
Ranch Hand

Joined: Oct 25, 2004
Posts: 34
I did not mention EJB version anywhere in my assignment. I remember few others did the same. I think you can safely assume EJB3.0 and if you have to dive into version specific details you are probably overdoing it.


SCJP/SCWCD/SCEA/OCA/Pega System Architect
 
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subject: SCEA 5 and EJB
 
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