FuelConsumption

class FuelConsumptionCalculation{
   private double fuelConsumptionOldRegulation = 0;
   private double fuelConsumptionNewRegulation = 0;
   private SimpleCar[] cars;

   FuelConsumptionCalculation() {
       this.fuelConsumptionOldRegulation =  0;
       this.fuelConsumptionNewRegulation =  0;
   }
   FuelConsumptionCalculation(SimpleCar[] cars) {
       this.cars = cars;
       
   }
    private void calculateFuelConsumption() {
       for(int i=0;i<cars.length;i++){
	   System.out.println(cars[i].maker + " OldRegulations is "+ getFuelConsumptionOldRegulations(cars[i].fuel,cars[i].airfuel));
	   System.out.println(cars[i].maker + " NewRegulations is "+ getFuelConsumptionNewRegulations(cars[i].fuel,cars[i].airfuel));
       }
   }
    double getFuelConsumptionOldRegulations(double fuel,double airfuel) { 
	return 200/fuel + 11/airfuel;
   }
    double getFuelConsumptionNewRegulations(double fuel,double airfuel){
	return (double)200/fuel + (double)8/airfuel;
    }

    public static void main(String[] args){
	SimpleCar[] cars = new SimpleCar[4];
	cars[0] = new DeluxeCar("Honda",14,10.5,8);
	cars[1] = new AdvancedCar("Toyota",15.5,9.5);
	cars[2] = new SimpleCar("Nissan",13);
	cars[3] = new DeluxeCar("Van(Nissan)",10.5,6,8);

        FuelConsumptionCalculation Reports = new FuelConsumptionCalculation(cars);
        Reports.calculateFuelConsumption();
    
    }
}

class SimpleCar{
    String maker;
    double fuel;
    double airfuel = 0;
    public SimpleCar(String maker,double fuel){
	this.maker = maker;
	this.fuel = fuel;
    }
}

class AdvancedCar extends SimpleCar{
    double airfuel;
    public AdvancedCar(String maker,double fuel,double airfuel){
	super(maker,fuel);
	this.airfuel = airfuel;
    }
}

class DeluxeCar extends AdvancedCar{
    double turnoff;
    public DeluxeCar(String maker,double fuel,double airfuel,double turnoff){
	super(maker,fuel,airfuel);
	this.turnoff = turnoff;
    }
}