C Data Types Examples

#include <stdio.h>

int main() {
int age = 25;
int year = 2025;

printf(“Age: %d\n”, age);
printf(“Year: %d\n”, year);

return 0;
}

#include <stdio.h>

int main() {
float pi = 3.14;
double e = 2.718281828;

printf(“Pi: %.2f\n”, pi); // float
printf(“Euler’s number: %.6lf\n”, e); // double

return 0;
}

#include <stdio.h>

int main() {
char grade = ‘A’;

printf(“Grade: %c\n”, grade);

return 0;
}

#include <stdio.h>

int main() {
unsigned int positiveNumber = 100;

printf(“Positive Number: %u\n”, positiveNumber);

return 0;
}

#include <stdio.h>

int main() {
short int small = 32000; // 2 bytes
long int large = 1000000; // 4–8 bytes

printf(“Short: %d\n”, small);
printf(“Long: %ld\n”, large);

return 0;
}

#include <stdio.h>

int main() {
int age = 25;
float height = 5.9;
double pi = 3.1415926535;
char grade = ‘A’;
unsigned int positiveNum = 100;

printf(“Age: %d\n”, age);
printf(“Height: %.1f\n”, height);
printf(“Pi: %.5lf\n”, pi);
printf(“Grade: %c\n”, grade);
printf(“Positive Number: %u\n”, positiveNum);

return 0;
}