Topics in This Chapter
Introducing Stateful Session Beans
Implications of Stateful vs. Stateless EJBs
Leveraging your EJB Components
Extending Multiple Interfaces
Value List Iterator Pattern
Example with a JSP Client
In the previous two chapters, we explored the design of stateless session beans. The most important characteristic of a stateless session bean is that it does not retain client-specific data. Thus, multiple clients can share stateless session beans, providing performance benefits. Stateless session beans also provide important business processes, but the results are transient, even during a session. Although a method of a stateless session bean could keep track of client-specific data, ...