/** * A class which constructs a Car with a certain fuel efficiency in miles per gallon. */public class Car{ /** * Constructs a car with a specified fuel efficiency. * @param fuelEfficiency The amount of miles able to be traveled per gallon. */ public Car(int fuelEfficiency) { efficiency = fuelEfficiency; } /** * Adds gas to the car's tank. * @param addGas The amount of gas in gallons to add to the car's tank. */ public void addGas(double addGas) { gas = gas+addGas; } /** * Drive the car and subtract the appropriate amount of gas as specified by the car's efficiency. * @param milesToDrive The distance in miles to drive the car. */ public void drive(double milesToDrive) { gas = gas - (milesToDrive / efficiency); } /** * Returns the current amount of gas in gallons left in the tank. */ public double getGasInTank() { return gas; } private double efficiency; private double gas;}