carrental

import java.util.ArrayList;
public class Carrental
{
    public ArrayList<Car> cars;
    public Carrental()
    {
        cars = new ArrayList<Car>();
    }
    public int averageDistance()
    {
        int total = 0;
        for(Car c : cars)
        {
            total += c.getDistance();
        }
        return total / cars.size();
    }
    public void longestRental()
    {
        long total = 0;
        for(Car c : cars)
        {
            if(c.Calculate() > total)
            {
                total = c.Calculate();
            }
        }
        System.out.println("langste huurperiode " + total/(60*60*1000*24));
    }
    public void totalProfit()
    {
        int total = 0;
        for(Car c : cars)
        {
            total += c.showPrice();
        }
        System.out.println("totale profit: " + total);
    }
    public void add(Car c)
    {
        cars.add(c);
    }
}