1. Create an abstract class Vehicle by defining start() and stop() methods, and declaring the ride()

abstract method.

2. Create Bus and Boat classes by inheriting the Vehicle class and overriding the ride() method.

1. Create an interface Vehicle by defining start() and stop() methods, and declaring the ride()

abstract method.

2. Create Bus and Boat classes by implementing the Vehicle class.

1. Create an abstract class Vehicle by declaring stop(), start(), and ride() abstract methods.

2. Create Bus and Boat classes by inheriting the Vehicle class and overriding all the methods.

1. Create an interface Vehicle by defining default stop(), start(), and ride() methods.

2. Create Bus and Boat classes by implementing the Vehicle interface and overriding the ride()

method.