Design and implement Java classes to implement the following scenario: 

New technologies make it possible to remotely lock and unlock many objects. Keyless entry fob handles any lockable objects and it allows lock and unlock actions. It is used with cars, house doors and buildings gates. In your implementation, let the specific behavior for remote actions is just printing appropriate messages whenever needed. 

Finally using your design, lock a car object using a keyless entry fob object.

NOTE: This is available on chegg