Enterprise Java Beans (EJB) tutorials. Focusing on EJB 3.0 (EJB3) and above.
EJB Advantages To access EJB free security is provided.Declarative transactions are provided.EJBs are cached & pooled. Containers manage the EJB life cycles.Remote access capabilities are present & are clustered for sake of scalability.OO concepts are supported for example inheritance.Usage of attributes or annotation based programming is possible.Free usage & access of complex resources
EJB Disadvantages Complicated and large specificationIncreased