J2EE questions
Hi, all,
first time to this form ,
following are questions from exam. can anybody give me a answer?
1. why are activation and passivation so important for EJB technology? What enterprise computing problems are addressed by these mechanism? how does the EJB container implement the process of activation and passivation in SessionBean and Entity Bean?
2. Describe the mechanism adopted by the EJB container to manage the persistence of an entity bean's state. How does this mechanism differ between entity beans using CMP & entity beans using BMP?
thanks in advance.