This Pointer

// example 1 on this
#include <iostream>
using std::cout;
using std::endl;

class Carro{
public:
    int MaxHeart;                                           // this->MaxHeart
    Carro(int MaxHeart)
    {
        this->MaxHeart = MaxHeart;              //Object of Carro MaxHeart = argument of construtor
    }
    void Imprimir();
};
void Carro::Imprimir()
{
    cout << MaxHeart <<endl;
}

int main () {
    Carro ca(5);
    ca.Imprimir();                                             // Will Print 5
  return 0;
}

// example 2 on this

#include <iostream>

using std::cout;

using std::endl;

class Carro{

public:

    void foo() const {

        cout << this << endl;

    }

};

int main () {

    Carro ca;

    cout << &ca<<endl;          //same address of object ca

    ca.foo();                   //same address of object ca

    Carro* rat = new Carro();

    cout << rat <<endl;         //same address of object rat

    rat->foo();                 //same address of object rat

  return 0;

  delete rat;

}