How can I call one EJB from inside of another EJB?

EJB Interview Questions and Answers

(Continued from previous question...)

22. How can I call one EJB from inside of another EJB?

EJBs can be clients of other EJBs. It just works. Use JNDI to locate the Home Interface of the other bean, then acquire an instance reference, and so forth.

(Continued on next question...)

Other Interview Questions

• What is the difference between Message Driven Beans and Stateless Session beans?
• What is the difference between Message Driven Beans and Stateless Session beans?
• Is it legal to have static initializer blocks in EJB?
• How EJB Invocation happens?
• Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
• What is an EJB Context?
• Is it possible to share an HttpSession between a JSP and EJB? What happens when I change a value in the HttpSession from inside an EJB?
• What is EJB role in J2EE?
• What is EJB QL?
• What happens if remove( ) is never invoked on a session bean?
• More...