#include <iostream>

class car;			// declaration

class car {			// definition (also a declaration);
public:
    car()
	: doors(2) {
	std::cout << "called the default car() constructor" << std::endl;
    };
    car(int d, int p);

    ~car();

    void start();
    void stop();

    int get_doors() const { return doors; };
    int get_engine_power() const;

private:
    int doors;
    int engine_power;
    bool engine_on;
};

int car::get_engine_power() const {
    return engine_power;
}

car::car(int d, int p)
    : doors(d), engine_power(p), engine_on(false) {
	std::cout << "called the car(int,int) constructor" << std::endl;
}

car::~car() {
    std::cout << "called the destructor" << std::endl;
}

class race_car : public car {
public:
    race_car() : car(0,500) {
	std::cout << "called the race_car() constructor" << std::endl;
    }

    ~race_car() {
	std::cout << "called the ~race_car() destructor" << std::endl;
    }
private:
    int turbo;
};

int main() {
    // in Java: car c = new car();
    car c;			// calls the default constructor
    car c2(4, 65);		// calls the default constructor

    int i;
    std::cout << "Give me a number: " << std::flush;
    if ((std::cin >> i) && i > 0) {
	std::cout << "I have a race car!" << std::endl;

	race_car c3;
    }
    std::cout << "My race car -- if I had it -- is gone!" << std::endl;
}