40 lines
581 B
C++
40 lines
581 B
C++
class Car
|
|
{
|
|
public:
|
|
Car();
|
|
void accelerate();
|
|
static int whichIsFaster(Car carA, Car carB);
|
|
private:
|
|
float speed;
|
|
};
|
|
|
|
Car::Car() : speed(0.0f)
|
|
{
|
|
|
|
}
|
|
|
|
void Car::accelerate()
|
|
{
|
|
speed += 0.5f;
|
|
}
|
|
|
|
int Car::whichIsFaster(Car carA, Car carB)
|
|
{
|
|
if(carA.speed > carB.speed)
|
|
{
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
Car car1{};
|
|
car1.accelerate();
|
|
// state of car1 - speed is 1.5
|
|
Car car2;
|
|
car2.accelerate();
|
|
car2.accelerate();
|
|
// static functions don't need to remember or access the state of the function
|
|
Car::whichIsFaster(car1, car2);
|
|
} |