#include <stdio.h> int main() { int integerType; float floatType; double doubleType; char charType; // Sizeof operator is used to evaluate the size of a variable printf("Size of int: %ld bytes",sizeof(integerType)); printf("Size of float: %ld bytes",sizeof(floatType)); printf("Size of double: %ld bytes",sizeof(doubleType)); printf("Size of char: %ld byte",sizeof(charType)); return 0; }
Size of int: 4 bytes Size of float: 4 bytes Size of double: 8 bytes Size of char: 1 byte
In this program, 4 variables integerType, floatType, doubleType and charType are declared having int, float, double and char type respectively.