C# Data Type
Last modified: July 11, 2021A C# variable must be a specified data type.
When we declare a data type, system allocated memory to store its value.
| Data Type | Size | Range |
|---|---|---|
| byte | 1 byte | 0 to 255 |
| int | 4 bytes | -2,147,483,648 to 2,147,483,647 |
| long | 8bytes | -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 |
| float | 4 bytes | -3.402823e38 to 3.402823e38 |
| double | 8 bytes | -1.79769313486232e308 to 1.79769313486232e308 |
| decimal | 16 bytes | (+ or -)1.0 x 10e-28 to 7.9 x 10e28 |
| bool | 1 bit | True or False |
| char | 2 bytes | For example A, B |
| string | 2 bytes per character | double, float |
| DateTime | Represents date and time | 0:00:00am 1/1/01 to 11:59:59pm 12/31/9999 |
Example
static void Main(string[] args)
{
int myNum = 8;
string myString = "It is hot";
char myChar = 'D';
double myDouble =6.60D;
bool mybool = true;
}
