Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Upgrade and Migration Guide

Business Components

Business components of the application are encapsulated by session beans.

The BankTeller bean is a stateful session bean that encapsulates all interaction between the customer and the system. BankTeller is notably in charge of the following activities:

The InterestCalculator bean is a stateless session bean that encapsulates financial calculations. It is responsible for providing the compound interest projection calculations, through the projectEarnings() method.