Question

Why do we need relationships between classes?

(a) To use the functionality of one class into other

(b) To enhance the communication between classes

(c) To increase code re-usability

(d) All of the mentioned

The question was posed to me by my college professor while I was bunking the class.

Question is from Class Relationships topic in division Class Hierarchies, Library & Containers of C++

Answer 1

The correct option is (d) All of the mentioned

The explanation: Relationships are needed to increase the use of features of one class into the other classes i.e. increasing the re-usability of codes and increasing communication between classes.