1. Enhance Vehicle class
    1. Add a new method printInfo()
      1. Inside the method print vehicle maker, model, passenger and number of miles it can be driven (mpg * fuelcap)
  2. Enhance April25_VehicleSystem
    1. Create a new method printAllVehiclesPassengerBiggerThanOrEqual(int numOfPassenger)
      1. Inside the method go through all vehicles in the list and print Vehicle info (call printInfo() method you created above) when its passenger is bigger or equals to the parameter “numOfPassenger”.
    2. Create another new method printAllFuelEfficientVehicles()
      1. Inside this method go through all vehicles in the list and print Vehicle info (call printInfo() method you created above) when vehicle.mpg is bigger or equals to 30.