C++ | Class and Object | Question 5
Assume that an integer and a pointer each takes 4 bytes. Also, assume that there is no alignment in objects.
Predict the output following program.
#include<iostream>using namespace std; class Test{ static int x; int *ptr; int y;}; int main(){ Test t; cout << sizeof(t) << " "; cout << sizeof(Test *);} |
(A) 12 4
(B) 12 12
(C) 8 4
(D) 8 8
Answer: (C)
Explanation: For a compiler where pointers take 4 bytes, the statement “sizeof(Test *)” returns 4 (size of the pointer ptr).
The statement “sizeof(t)” returns 8. Since static is not associated with each object of the class, we get (8 not 12).
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