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Sams Teach Yourself C++ in 21 Days , Fifth Edition by Bradley Jones, Jesse Liberty

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Day 21. What’s Next

Congratulations! You are nearly done with a full three-week intensive introduction to C++. By now, you should have a solid understanding of C++, but in modern programming there is always more to learn. This final day’s lesson fills in some missing details and then sets the course for continued study.

Most of what you write in your source code files is C++. This is interpreted by the compiler and turned into your program. Before the compiler runs, however, the preprocessor runs, and this provides an opportunity for conditional compilation.

Today, you will learn

• What conditional compilation is and how to manage it

• How to write macros using the preprocessor

• How to use the preprocessor in finding bugs

• How to manipulate ...

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