Q. What is the output of the following C++ code?

#include <iostream>
using namespace std;
 
class A
{
  static int val;
 
   public:
  void write(int i){
    val = i;
  }
  void read(){
    cout << val;
  }
};
 
int main(int argc, char const *argv[])
{
  A a = A();
  a.write(10);
  a.read();
  return 0;
}

• (A) 10
• (B) Segmentation fault
• (C) Compilation error
• (D) None of the above