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New TO EJB
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Rodrigo Bossini
Ranch Hand
Joined: Jul 03, 2009
Posts: 93
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Hi,
I'm just starting to learn EJB. I started with the 3.0 version. Would it be recommendable to learn the version 2 prior to learning version 3 or can I deal with 3 without knowning any details about 2?
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I see wind mills
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Francesco Marchioni
author
Ranch Hand
Joined: Sep 22, 2003
Posts: 174
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Rodrigo Bossini wrote:Hi,
I'm just starting to learn EJB. I started with the 3.0 version. Would it be recommendable to learn the version 2 prior to learning version 3 or can I deal with 3 without knowning any details about 2?
Hi,
my honest advice is not to learn at all EJB 2. Of course you need to know the basics of the EJB container, which in part are unchanged, but in many areas the EJB are now developed differentely (and easily). The persistence is handled in quite a different way.
regards
Francesco
MyJBossSite
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JBoss AS 5 Development
JBoss Tutorials
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Joe Harry
Ranch Hand
Joined: Sep 26, 2006
Posts: 8446
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The above post says, you will find it of no use to learn EJB 2.x or anything less than that. You might try probably to just know the difference between the EJB 3.0 and it's prior versions but definitely not worth to invest time in EJB 2.x.
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SCJP 1.4, SCWCD 1.4 - Hints for you, SCBCD Hints - Demnachst, SCDJWS - Auch Demnachst
Did a rm -R / to find out that I lost my entire Linux installation!
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subject: New TO EJB
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