Variables in C - AsgarTech
Variables in C - AsgarTech
In C programming, there are several data types that can be used to declare variables, including:
int: used to declare integer variables, which can hold whole numbers. For example: int age = 25;
float: used to declare floating-point variables, which can hold decimal numbers with single precision. For example: float height = 5.7;
double: used to declare floating-point variables, which can hold decimal numbers with double precision. For example: double weight = 68.5;
char: used to declare character variables, which can hold single characters. For example: char grade = 'A';
bool: used to declare Boolean variables, which can hold either true or false. For example: bool isStudent = true;
short: used to declare short integer variables, which can hold smaller whole numbers than int. For example: short year = 2023;
long: used to declare long integer variables, which can hold larger whole numbers than int. For example: long population = 8000000;
unsigned: used to declare unsigned integer variables, which can hold only non-negative numbers. For example: unsigned int count = 100;
long double: used to declare floating-point variables, which can hold decimal numbers with greater precision than double. For example: long double pi = 3.14159265359;
Here's an example of how to declare and initialize a variable in C:
int age = 25; // declare and initialize an integer variable named "age" with the value 25
float height; // declare a floating-point variable named "height"
height = 5.7; // assign the value 5.7 to the variable "height"
int x = 10, y = 20, z = 30; // declare and initialize three integer variables "x", "y", and "z" with the values 10, 20, and 30 respectively
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