Question: An abstract class is which of the following?
Options are:
A. A class that has direct instances, but whose descendants may have direct instances.
B. A class that has no direct instances, but whose descendants may have direct instances.
C. A class that has direct instances, but whose descendants may not have direct instances.
D. A class that has no direct instances, but whose descendants may not have direct instances
Correct answer is:
B. A class that has no direct instances, but whose descendants may have direct instances.