Essential Points
The following summarizes the most important points described in this chapter:
Applications that are distributed and require transactions, security, and resource management are suitable for implementation using J2EE technology.
JSP and servlets are well suited to implement the user component aspect of a J2EE application.
EJBs are suited to the implementation of business logic in a J2EE application.
Application aspects that are suited to implementation using EJB are persistence, transaction, support, and security.
The classes required to implement an EJB are: javax.ejb.EJBHome, javax.ejb.EJBObject, and your method implementations using either javax.ejb.Session or javax.ejb.Entity.
Entity beans are a shared resource that is persisted ...
Get Sun Certified Enterprise Architect for J2EE™ Technology Study Guide now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.