The J2EE™ Tutorial Second Edition

The SavingsAccountBean Example

The entity bean illustrated in this section represents a simple bank account. The state of SavingsAccountBean is stored in the savingsaccount table of a relational database. The savingsaccount table is created by the following SQL statement:

CREATE TABLE savingsaccount
  (id VARCHAR(3)
  CONSTRAINT pk_savingsaccount PRIMARY KEY,
  firstname VARCHAR(24),
  lastname  VARCHAR(24),
  balance   NUMERIC(10,2));

The SavingsAccountBean example requires the following code:

• Entity bean class (SavingsAccountBean)

• Home interface (SavingsAccountHome)

• Remote interface (SavingsAccount)

This example also uses the following classes:

• A utility class named InsufficientBalanceException

• A client class called SavingsAccountClient

The source code for ...