Assign the public object member address to a pointer

  

#include <iostream>
using namespace std;

class MyClass {

public:
  int i;
  MyClass(int j) { 
     i = j; 
  }
};
int main()
{
  MyClass myObject(1);
  int *p;
  p = &myObject.i;                     // get address of myObject.i
  cout << *p;                          // access myObject.i via p
  return 0;
}

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Assign the public object member address to a pointer : Public « Class « C++

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