A Tour of C++, 2nd Edition

1

The Basics

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

– Henry VI, Part II

• Introduction

• Programs

  Hello, World!

• Functions

• Types, Variables, and Arithmetic

  Arithmetic; Initialization

• Scope and Lifetime

• Constants

• Pointers, Arrays, and References

  The Null Pointer

• Tests

• Mapping to Hardware

  Assignment; Initialization

• 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 ...