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.
Let me walk through the fields of paper touching with my wand dry stems and stunted butterflies...
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.