public enum CarType { DESIL, HYBRID }
public class Car {
CarType _type;
double _km;
int _prevOwners;
int _year;
boolean _isCab;
public Car(CarType type, int year) {
_type = type;
_km = 0;
_prevOwners = 0;
_year = year;
_isCab = false;
}
public double getValue(int curYear) {
double x, y = 0;
switch (_type) {
case DESIL:
x = 100000 * Math.max((20 - (curYear - _year)) / 20, 0.1);
if (_isCab) {
y = x * 0.5;
} else {
y = Math.max(x * 0.1, x + x * 0.1 * ((20000 –
_km / (curYear - _year + 1)) / 20000));
}
break;
case HYBRID:
x = 120000 * Math.max((10 - (curYear - _year)) / 10, 0.2);
y = (Math.max(100000 - _km, 0) / 100000) * x;
y = x * Math.max(3 - _prevOwners, 3) / 3 + y + 2500;
y = Math.max(x * 0.2, y);
break;
}
y = Math.max(0, y);
return y;
}
// ...
}