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Accessing the session EJB

All database processing is done through the EJBBankBean session bean, using the business interface (EJBBankService).

The servlets use EJB 3.0 injection to access the session bean:

@EJB EJBBankService bank;

After this injection, all the methods of the session bean can be invoked, such as:

Customer customer = bank.getCustomer(customerNumber);

Account{} accounts = bank.getAccounts(customerNumber);

bank.deposit(accountId, amount);

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