This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Calling one ejb from another is routine and done the same way as in any other client. To improve performance use Local Interfaces or ensure the Application Server is using pass-by-reference. If we are talking about Entity Beans then use the CMR features in EJB 2.0. [ December 11, 2002: Message edited by: Chris Mathews ]