Stateless and Stateful Enterprise Java Beans

Question

I am going through the Java EE 6 tutorial and I am trying to understand the difference between stateless and stateful session beans. If stateless session beans do not retain

Answer 1

It has good answers. I would like to add small answer. Stateless Bean should not used to hold any client data. It should be used to "to model actions or processes that can be done in one shot".