import java.util.HashSet;
import java.util.Set;
public class Race {
private static final int RACE_DURATION_HOURS = 24;
private Car leader;
private int leaderDistance;
private final Set carNames = new HashSet<>();
public boolean containsCar(String name) {
return carNames.contains(name);
}
public void addCar(Car car) {
if (!carNames.add(car.getName())) {
throw new IllegalArgumentException("Машина Ñ Ñ‚Ð°ÐºÐ¸Ð¼ именем уже еÑÑ‚ÑŒ");
}
int distance = calculateDistance(car.getSpeed());
if (leader == null || distance > leaderDistance) {
leader = car;
leaderDistance = distance;
}
}
public String getLeaderName() {
if (leader == null) {
throw new IllegalStateException("В гонке нет машин");
}
return leader.getName();
}
private int calculateDistance(int speed) {
return RACE_DURATION_HOURS * speed;
}
}