Question

151. Which version of EJB introduced concept of No interfaces for Session Beans?

Answer 1

Answer:

Business interface (session beans)

This is the simplified view, introduced in EJB 3.0, defining business methods that are to be supported by session beans. ... However, any one interface may not be both local and remote. The EJB 3.1 Specification defines business interfaces in Section 4.9. 7.