What is a Datatype in C++?.
Basic Datatypes used in C++.
Name | Description | Size(bytes) | Range |
char | Character or small integer. | 1 | -128 to 127, 0 to 255 |
short int(short) | Short Integer. | 2 | -32768 to 32767, 0 to 65535 |
int | Integer. | 4 | -2147483648 to 2147483647, 0 to 4294967295 |
long int(long) | Long integer | 4 | -2147483648 to 2147483647, 0 to 4294967295 |
bool | Boolean value | 1 | true or false |
float | Floating point number. | 4 | +/- 3.4e to +/- 38 (~7 digits) |
double | Double precision floating point number. | 8 | +/- 1.7e to +/- 308 (~15 digits) |
long double | Long double precision floating point number. | 8 | +/- 1.7e to +/- 308 (~15 digits) |
wchar_t | Wide character. | 2 or 4 | 1 wide character |