Why can't we create an instance of an abstract class?

Question

I found in many places that :

• An Abstract Class is a class which is supposed to be used as a base class.
• An Abstract Class is a class which has atleas

Answer 1

An abstract class represents something that isn't specific enough to be instantiated. For instance, what if someone asked you to create a vehicle? You'd have to ask, "what kind of vehicle?" You wouldn't know whether to create a car, a sled, or a space shuttle. There's no such object as a "vehicle". Yet "vehicle" is a useful abstraction that can be used to group objects, indicating common behaviors among them. That's what abstract classes are for.