1. XML deployment descriptors can be java-coded using annotations. Spring already provides this feature as bean configurations can also be java-coded as well.
2.Dependency Injection can be used in all levels - EJB container,Web container and application clients
3.Java Persistence API - can be used either in Java EE or Java SE applications .This replaces Entity Beans from EJB 3.0 [Java EE 5 ]
4.Java Server Faces - GUI Component Framework[since 1.4]
Everything is considered under Service Oriented Architecture - SOA
- Synchronous Services - EJB[remote/local] - session/entity or Spring Remote/local, Web Services
- Asynchronous Services - Java Messaging Service [Topic/Queue]
1 comment:
The Java Persistence API replaces the Entity-EJBs.There are no more Entity beans in EJB 3.0 specification as part of Java EE5
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