C++primer4 Chapter2 variables and basic Types 2.1

2.1 Basic built-in types

Arithmetic type:

Minimum storage space

BOOL Boolean type

Char character 8-bit

wchar_t Wide-character 16-bit

Short 16-bit

int integer 16-bit

Long 32-bit

Float single-precision floating-point 6-bit valid digits

Double dual-precision floating-point 10-bit valid digits

Long double extended precision floating-point 10-bit valid digits

void type: Used as return type for no return value function

2.11 Integral type

An arithmetic type that represents integers, characters, and Boolean values is called an integer.

Signed integral type signed, unsigned integer unsigned

2.12 Floating-point type

C++primer4 Chapter2 variables and basic Types 2.1