C++ | Templates | Question 5

Output of following program? Assume that the size of char is 1 byte and size of int is 4 bytes, and there is no alignment done by the compiler.

#include<iostream> 
#include<stdlib.h> 
using namespace std; 
  
template<class T, class U> 
class A  { 
    T x; 
    U y; 
    static int count; 
}; 
  
int main()  { 
   A<char, char> a; 
   A<int, int> b; 
   cout << sizeof(a) << endl; 
   cout << sizeof(b) << endl; 
   return 0; 
} 

(A)

6
12

(B)

2
8

(C) Compiler Error: There can not be more than one template arguments.
(D)

8
8

Answer: (B)

Explanation: Since count is static, it is not counted in sizeof.

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