package com.evancharlton.mileage;
public class USCalculationEngine extends CalculationEngine {
public double calculateEconomy(double distance, double fuel) {
return distance / fuel;
}
public double getWorstEconomy() {
return 0.0D;
}
public double getBestEconomy() {
return Double.MAX_VALUE;
}
public boolean better(double one, double two) {
return one > two;
}
public boolean worse(double one, double two) {
return one < two;
}
public String getEconomyUnits() {
return " mpg";
}
public String getVolumeUnits() {
return " Gallons";
}
public String getVolumeUnitsAbbr() {
return " gal";
}
public String getDistanceUnits() {
return " miles";
}
public String getDistanceUnitsAbbr() {
return " mi";
}
}