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C++ | Templates | Question 5

  • Last Updated : 28 Jun, 2021

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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