C++ notes for beginners(2)

Primitive Built-in Types

Type Implication Minimum  storage space
bool boolean NA
char character 8 bits
wchar_t wide character 16 bits
short short integer 16 bits
int integer 16 bits
long long integer 32 bits
float single-precision floating-point 6 significant digits
double double-precision floating-point 10 significant digits
long double extended-precision floating-point 10 significant digits

Integral types (except the boolean type) may be either signed or unsigned

Unlike other integral types, there are three distict types for char:

plain char equals to char

signed char

unsigned char

时间: 2024-10-29 19:06:50

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