Create a project Vehicles in bluej. The project has Cars, Buses ,Trucks and Bikesclasses ,all these classes inherit from an interface Vehicle. Pedal_bikesand Motor_bikesare subclasses of abstract class Bikes. A.Show the relationship(class diagrams)between above mentioned classesand interfacesand write the necessary class definitions. B.Interface should have 3 methods: drive(), start() and stop(). C.abstract class Bikesshould have 2abstract methods: speed( ) and getModel( ). D.Which one of the following assignments are legal, why or why not? Justify. Pedal_bikes bik= new Motor_bikes( ); Vehiclev1 = new Buses (); Bikesbi= new Bikes( )   please use BlueJ program.

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