Final answer:
The statement 'Car ob = new Car();' initializes a new instance of the Car class and creates a reference variable for the Car class.
Step-by-step explanation:
The statement Car ob = new Car(); is initializing a new instance of the Car class.
It creates a reference variable named ob that points to the new instance of the Car class.
This statement does not define a method or import the Car class. Its main purpose is to create a new object of the Car class.