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Am I need to learn EJB ?

Sagar Rohankar
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Joined: Feb 19, 2008
Posts: 2902
    
    1

Hi all,

I'm web app developer uses JSP/Servlets and Struts ! I work on "localhost" i.e on single machine , I developed the e-commerce application , developed it and deployed on real server using Tomcat !

Now I want to learn EJB and like to implement it on my current e-commerce web application ? So In my case , is there any use of EJB ?

I dont know anything about EJB .


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arulk pillai
Author
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Joined: May 31, 2007
Posts: 3274
EJBs are handy to know if you want to build distributable applications. EJBs can be used as local or remote objects. If you haven't used or learnt Spring & Hibernate, I would learn that first before EJBs. Go to EJB3 directly.
[ September 30, 2008: Message edited by: arulk pillai ]

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Sagar Rohankar
Ranch Hand

Joined: Feb 19, 2008
Posts: 2902
    
    1

Originally posted by arulk pillai:
If you haven't used or learnt Spring & Hibernate, I would learn that first before EJBs. Go to EJB3 directly.


So you want to say EJB and EJB3 are different ??
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 42913
    
  68
EJB came in a variety of versions over the years (1.0, 1.1, 2.0, 2.1 and 3). Version 3 is quite different from 2.x. So you should make sure that you're not inadvertently learning an older version (or using a server that doesn't yet support EJB 3). If you're seeing talk of "annotations", then you know that EJB 3 is involved.
Sagar Rohankar
Ranch Hand

Joined: Feb 19, 2008
Posts: 2902
    
    1

Thanks arulk and Ulf . I try my hand on EJB3 !
 
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subject: Am I need to learn EJB ?