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Chapter 7

Creative Abstraction

Abstraction, as you may have come to appreciate by now, is the hallmark of computing. You can compute anything as long as you can create a meaningful abstraction of it in a computer representation. You have seen this repeatedly in this book. Every Processing program you write relies on a number of abstractions. Further, Processing and all other programming languages provide facilities for building your own abstractions. Of course, abstraction is a concept that transcends computing. Abstraction allows us to filter out details and focus on the relevant parts. The graphic shown in Figure 7-1 is an abstraction of President ...

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