What is difference between EJB 1.1 and EJB 2.0

Answered by Jey on 2005-05-08 12:51:03:

EJB 2.0 adds the local beans, which are accessible only from within the JVM where beans are running in. 
 
In EJB 1.1, we had to implement remote client views for all these beans, even if we had no remote clients.

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Jey

  • May 8th, 2005
 

EJB 2.0 adds the local beans, which are accessible only from within the JVM where beans are running in. 
 
In EJB 1.1, we had to implement remote client views for all these beans, even if we had no remote clients.

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Naveen

  • May 8th, 2005
 

In addition to above in EJB 2.0  

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Srinivas Jadcharla

  • Jul 17th, 2005
 

some more features along with Local beans  
 
1.message driven beans  
2.Support for EJB Query language  
 
3.New CMP Model. It is based on a new contract called the abstract persistence schema, that will allow to the container to handle the persistence automatically at runtime.  
 
4.ejbHome methods. Entity beans can declare ejbHome methods that perform operations related to the EJB component but that are not specific to a bean instance.  

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suman medisetti

  • Oct 10th, 2005
 

EJB 2.0 came with new features which not available in EJB1.1 they are auto primarykey generation,EJB-query language,local interfaces,relationships.

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