/**
 This class represents a car.
 @author 
*/
public class Car {

  /**
   The model of the car (e.g. "Hyundai Accent").
  */




  /**
   The fuel efficiency of the car (in liters/100 km).
  */




  /**
   The amount of gas in the tank (in liters).
  */




  /**
   This method constructs a car with the specified model and fuel efficiency. 
   The gas tank is initially empty.
   @param modelIn the model of the car.
   @param fuelEfficiencyIn the fuel efficiency of the car (in liters/100 km).
  */




  /**
   This method retrieves the model of the car.
   @return the model of the car.
  */




  /**
   This method retrieves the fuel efficiency of the car.
   @return the fuel efficiency of the car (in liters/100 km).
  */




  /**
   This method retrieves the amount of gas in the tank.
   @return the amount of gas in the tank (in litres).
  */




  /**
   This method drives the car for a certain distance, reducing the gas in the tank. 
   You may assume that the car will never consume more than the available gas 
   (you do NOT need to include a check for this in your solution).
   @param distance the distance driven (in km).
  */




  /**
   This method adds gas to the tank.
   @param gasAdded the volume of gas added to the tank (in liters).
  */




} //end Car