Read Exercise •• E3.13, but do not implement the Car class yet. Write a tester class that tests a scenario in which gas is added to the car, the car is driven, more gas is added, and the car is driven again. Print the actual and expected amount of gas in the tank.

Data from exercise E3.13

Implement a class Car with the following properties. A car has a certain fuel efficiency
(measured in miles/gallon or liters/km—pick one) and a certain amount of
fuel in the gas tank. The efficiency is specified in the constructor, and the initial fuel
level is 0. Supply a method drive that simulates driving the car for a certain distance,
reducing the amount of gasoline in the fuel tank. Also supply methods getGasInTank,
returning the current amount of gasoline in the fuel tank, and addGas, to add gasoline
to the fuel tank. Sample usage:

You may assume that the drive method is never called with a distance that consumes
more than the avail able gas. Supply a CarTester class that tests all methods.

Car myHybrid = new Car (50); // 50 miles per gallon (20); // Tank 20 gallons myHybrid.addGas myHybrid.drive (100); // Drive 100 miles double gasLeft = myHybrid.getGasInTank(); // Get gas remaining in tank