JAVA

Jeep class contains the following variables name, maxPassengers, maxSpeed and numWheels. soundHorn method print "beeeeeeeeeeeeb" and drive method print "the status is driving now".

Hovercraft class contains the following variables name, maxPassengers, maxSpeed, displacement and numWheels. launch method print " the hovercraft sealing on sea now", drive method print " the hovercraft driving on land now ", enterLand method print "he hovercraft on land now" and enterSea method print "he hovercraft on sea now".

Frigate class contains the following variables name, maxPassengers, maxSpeed and displacement. launch method print " the frigate sealing on sea now" and fireGun method print " the frigate firing now ".

interface IsVehicle getName() setName(String) getMaxPassengers() setMaxPassengers (int) getMaxSpeed) setMaxSpeed (int) > > IsLandVehicle getNumWheels) setNumWheels(intsetDisplacement(int) drive() IsSeaVessel getDisplacement() launch Jeep Hovercraft Frigate soundHornenterLandun enterSea()