7.2. Modules, Classes and Methods

Programs consist of many pieces, including modules and classes. These modules and classes are composed of smaller pieces called methods. You combine new modules and classes with “prepackaged” classes available in the .NET Framework Class Library (FCL) and in various other class libraries. Related classes are typically grouped into namespaces (and compiled into library files) so that they can be imported into programs and reused. You will learn how to package your own classes into class libraries in Section 9.13. The FCL provides a rich collection of classes and methods for performing common mathematical calculations (Chapter 3), error checking (Chapter 12), building sophisticated GUI applications (Chapters 13 ...

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