VARIABLE IN C LANGUAGE
C Language mein variables ek important concept hai. Variables, data ko store karne aur manipulate karne ke liye istemal hoti hain.
Har variable ek specific data type ka value store karti hai.
C Language mein kuch common data types hain,
jinmein int (integer),
float (floating-point number),
char (character),
aur double (double-precision floating-point number) shaamil hain.
Variable declare karne aur initialize karne ke liye aapko is basic syntax ka istemal karna hota hai:
data_type variable_name = value;
Yahan ek kuch examples hain:
1. **Integer Variable (int):**
```
int age = 25;
```
2. **Floating-Point Variable (float):**
```
float price = 12.99;
```
3. **Character Variable (char):**
```
char grade = 'A';
```
4. **Double-precision Floating-Point Variable (double):**
```
double pi = 3.14159265;
```
5. **Multiple Variables of the Same Type:**
Aap ek saath multiple variables bhi declare kar sakte hain:
```
int num1 = 10, num2 = 20, sum;
```
6. **Variable Declaration Without Initialization:**
Aap ek variable ko declare kar sakte hain bina use initialize kiye:
```
int x;
```
Variable declaration and initialization ke baad, aap in variables ka istemal program ke various parts mein kar sakte hain.
Example:
#include
int main() {
int num1 = 10;
int num2 = 20;
int sum;
sum = num1 + num2;
printf("Sum is: %d\n", sum);
return 0;
}
```
Is example mein `num1`, `num2`, aur `sum` integer type ke variables hain,
aur unka istemal ek addition operation ke liye kiya gaya hai. `printf` function ke through result print kiya gaya hai.
Variables C Language mein data ko store karne ke liye ek flexible aur powerful tareeka hain, jisse aap apne programs mein data ko manipulate kar sakte hain.