All smartphones are phones, but not all phones are smartphones.This type of relationship is best described by:
A)Aggregation
B)Dependency
C)Inheritance
D)Coupling

Question

Quizplus · Accepted Answer

Inheritance is the best choice to describe this relationship because all smartphones inherit the basic features and functionalities of a phone, but not all phones have the advanced features and functionalities of a smartphone. Inheritance is a mechanism in object-oriented programming where a subclass (smartphone) derives the properties and behaviors of a superclass (phone).

All Smartphones Are Phones, but Not All Phones Are Smartphones