When a superclass variable refers to a subclass object and a method is called on that object, the proper implementation is determined at execution time. What is the process of determining the correct method to call?
A) early binding.
B) non-binding.
C) on-time binding.
D) late binding.

Question

Quizplus · Accepted Answer

The process of determining the correct method to call when a superclass variable refers to a subclass object is called late binding or runtime polymorphism. This is because the decision about which method to call is made at runtime based on the actual type of the object, rather than at compile-time (early binding).

When a Superclass Variable Refers to a Subclass Object and a Method