Chapter 13. ATM Case Study Part 2: Implementing an Object-Oriented Design
You can’t work in the abstract.
—I. M. Pei
To generalize means to think.
—Georg Wilhelm Friedrich Hegel
We are all gifted. That is our inheritance.
—Ethel Waters
Let me walk through the fields of paper touching with my wand dry stems and stunted butterflies...
—Denise Levertov
Objectives
In this chapter you’ll learn:
• Incorporate inheritance into the design of the ATM.
• Incorporate polymorphism into the design of the ATM.
• Fully implement in Java the UML-based object-oriented design of the ATM software.
• Study a detailed code walkthrough of the ATM software system that explains the implementation issues.
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