Discovering Modern C++, 2nd Edition

Chapter 1

C++ Basics

“To my children: Never make fun of having to help me with computer stuff. I taught you how to use a spoon.”

—Sue Fitzmaurice

In this first chapter, we will guide you through the fundamental features of C++. As for the entire book, we will look at them from different angles but we will not try to expose every possible detail—which is not feasible anyway. For more detailed questions on specific features, we recommend the online reference at http://en.cppreference.com.

1.1 Our First Program

As an introduction to the C++ language, let us look at the following example:

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#include <iostream> int main () {     std::cout << "The answer  to the Ultimate Question of Life,\n"               << "the Universe, ...