There are two general approaches to fighting complexity, both of which will be discussed in this book. The first approach is to eliminate complexity by making code simpler and more obvious. For example, complexity can be reduced by eliminating special cases or using identifiers in a consistent fashion. The second approach to complexity is to encapsulate it, so that programmers can work on a system without being exposed to all of its complexity at once. This approach is called modular design. In modular design, a software system is divided up into modules, such as classes in an object-oriented
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Two approaches to complexity
