Write an abstract superclass encapsulating a vehicle: a vehicle has two attributes: its owner's name and its number of wheels. this class has two non-abstract subclasses: one encapsulating a bicycle, and the other encapsulating a motorized vehicle. a motorized vehicle has the following additional attributes: its engine volume displacement, in liters; and a method computing and returning a measure of horsepower which is the number of liters times the number of wheels. write an application class utilizing these two classes.