An Introduction to Design Patterns in C++ with Qt 4

Chapter 2. Classes

This chapter provides an introduction to classes and objects, and how member functions operate on objects. UML is introduced. static and const members are explained. Constructors, destructors, copy operations, and friends are discussed.

2.1	Structs	48
2.2	Class Definitions	49
2.3	Member Access Specifiers	51
2.4	Encapsulation	54
2.5	Introduction to UML	54
2.6	Friends of a Class	55
2.7	Constructors	56
2.8	Subobjects	58
2.9	Destructors	60
2.10	The Keyword static	61
2.11	Copy Constructors and Assignment Operators	64
2.12	Conversions	67
2.13	const Member Functions	68

Structs

In the C language, there is the struct keyword, for defining a structured chunk of memory.

Example 2.1. src/structdemo/demostruct.h

[ . . . . ] struct Fraction { int numer, denom; string description; ...