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Java™ How to Program, Seventh Edition by P. J. Deitel - Deitel & Associates, Inc., H. M. Deitel - Deitel & Associates, Inc.

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6.14. (Optional) Software Engineering Case Study: Identifying Class Operations

In the Software Engineering Case Study sections at the ends of Chapters 35, we performed the first few steps in the object-oriented design of our ATM system. In Chapter 3, we identified the classes that we’ll need to implement and created our first class diagram.

In Chapter 4, we described some attributes of our classes. In Chapter 5, we examined objects’ states and modeled objects’ state transitions and activities. In this section, we determine some of the class operations (or behaviors) needed to implement the ATM system.

Identifying Operations

An operation is a service that objects of a class provide to clients (users) of the class. Consider the operations of ...

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