write a java program containing three classes: vehicleshw$3,$ car, and vehicledemohw$3$also create javadoc files and comments. $1.$vehiclehw$3$ class represents a generic vehicle with basic information.include a constructorvto initialize the vehicle with the specific parameters.provide a method to calculate the fuel cost based on the distance traveled.include a tostring method to generate a string representation of the vehicle. $2.$ car class$($subclass of vehicleh$3)$ represents a specific type of vehicle $,$i$.$e$.,$ a car.extends the vehiclehw$3$ class, inheriting its propertiesand methods.adds a private property for the vehicle identification number$($vin$)$ of the car.includes a constructor to initialize the cae with additional parameters, including the vin.overrides the tostring method to include the vin information. provide method to retrieve the vin of the car.