AllCars

public class AllCars {
    private Car[] cars;
    private int num;

    public AllCars(int max) {
        this.cars = new Car[max];
        this.num = 0;
    }

    public boolean addCar(Car car){
        if(this.num == this.cars.length)
            return false;
        else{
            cars[num] = car;
            num++;
            return true;
        }
    }

    public void print(int min, int max){
        for (int i = 0; i < this.cars.length; i++) {
            Car car = this.cars[i];
            if(!car.hadAccident() && car.range(min, max))
                System.out.println("car license:"+car.getLicenseNum());
        }
    }
}