Java How to Program (early objects), 9/e

13.4 ATM Case Study Implementation

This section contains the complete working 673-line implementation of the ATM system. We consider the classes in the order in which we identified them in Section 12.3—ATM, Screen, Keypad, CashDispenser, DepositSlot, Account, BankDatabase, Transaction, BalanceInquiry, Withdrawal and Deposit.

We apply the guidelines discussed in Sections 13.2–13.3 to code these classes based on how we modeled them in the UML class diagrams of Figs. 13.9 and 13.10. To develop the bodies of class methods, we refer to the activity diagrams in Section 12.5 and the communication and sequence diagrams presented in Section 12.7. Our ATM design does not specify all the program logic and may not specify all the attributes and operations ...