A Tour of C++

1. The Basics

The first thing we do, let’skill all the language lawyers.

– Henry VI, Part II

• Introduction

• Programs

• Hello, World!

• Functions

• Types, Variables, and Arithmetic

• Scope and Lifetime

• Constants

• Pointers, Arrays, and References

• Tests

• Advice

1.1. Introduction

This chapter informally presents the notation of C++, C++’s model of memory and computation, and the basic mechanisms for organizing code into a program. These are the language facilities supporting the styles most often seen in C and sometimes called procedural programming.

1.2. Programs

C++ is a compiled language. For a program to run, its source text has to be processed by a compiler, producing object files, which are combined by a linker yielding an executable ...