dataTypes.c

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        char charData = 'A';
        printf("\nSize of variable charData is %lu byte", sizeof(charData));
        int intData = 100;
        printf("\nSize of variable intData is %lu bytes", sizeof(intData));
        short shortIntData = 20;
        printf("\nSize of variable shortIntData is %lu bytes", sizeof(shortIntData));
        long int longIntData = 5555555;
        printf("\nSize of variable longIntData is %lu bytes", sizeof(longIntData));
        float floatData = 4.5;
        printf("\nSize of variable floatData is %lu bytes", sizeof(floatData));
        double doubleData = 4.5;
        printf("\nSize of variable doubleData is %lu bytes", sizeof(doubleData));
        printf("\n");
        
    }
    return 0;
}