#include <iostream>

using namespace std;

int main() {
   int i{7};
   int * intPtr{nullptr};

   intPtr = &i;

   cout << " i = " << i << endl;
   cout << " intPtr = " << intPtr << endl;
   cout << " &i = " << &i << endl;
   cout << " *intPtr = " << *intPtr << endl;

   *intPtr = 999;
   cout << endl;
   cout << " i = " << i << endl;
   cout << " *intPtr = " << *intPtr << endl;
   cout << " &i = " << &i << endl;
   cout << " intPtr = " << intPtr << endl;

   cout << endl;
}