Lesson on Pointers

pointesr.cpp

class Wheels
{
public:
  Wheels(){
    cout << "Wheel constructor" << endl;
  }
  void spin() {
    cout << "I'm spinning ... " << endl;
  }
};


void lessonOnPointers() {
  Wheels* w = new Wheels();
  w->spin();        // w        is a pointer
  (*w).spin();      // (*w)     is an object
  (&(*w))->spin();    // &(*w)    is a pointer
  (*(&(*w))).spin();  // *(&(*w)) is an object
}