import java.util.ArrayList;
public class Race {
public Car winner(ArrayList cars) {
if (cars.size() == 0 || cars == null) {
return null;
}
Car carWin = cars.get(0);
for (int i = 1; i < cars.size(); i++) {
int distance = 24 * cars.get(i).speed;
if (distance > carWin.speed * 24) {
carWin = cars.get(i);
}
}
return carWin;
}
}