#include <iostream>
using namespace std;

int main()
{
  int var1{5};
  char var2{'w'};
  double var3{5.234};
  string var4{"How are you?"};

  cout << &var1 << endl;
  cout << &var2 << endl;
  //  cout << static_cast<void *> (&var2) << endl;
  cout << &var3 << endl;
  cout << &var4 << endl << endl;

  cout << *&var1 << endl;
  cout << *&var2 << endl;
  cout << *&var3 << endl;
  cout << *&var4 << endl << endl<<endl;

  cout << *(&var4 + 8) << endl; // Does not know it is an address.

  string * firstPtr{(&var4)};

  cout << *firstPtr << endl;

  *firstPtr="Not bad";

  cout << var4 << endl<< endl;

  cout << "firstPtr contains the address of var4: " << firstPtr << endl;

  cout << "Note that the pointer firstPtr also has its own address!!" << endl<<  &firstPtr << endl;

  int * badPtr{nullptr};

  //  cout << *badPtr << endl;


}