C++ | Class and Object | Question 2

Predict the output of following C++ program

#include<iostream>
using namespace std;

class Empty {};

int main()
{
  cout << sizeof(Empty);
  return 0;
}

(A) A non-zero value
(B) 0
(C) Compiler Error
(D) Runtime Error

Answer: (A)
Explanation: See Why is the size of an empty class not zero in C++
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