Question

If class A has two nested classes B and C. Class D has one nested class E, and have inherited class A. If E inherits B and C, then ________________

(a) It shows multiple inheritance

(b) It shows hierarchical inheritance

(c) It shows multiple inheritance

(d) Multiple inheritance among nested classes, and single level for enclosing classes

This question was posed to me during an online interview.

This interesting question is from Types of Inheritance topic in section Inheritance & its Types of Object Oriented Programming

Answer 1

Correct option is (d) Multiple inheritance among nested classes, and single level for enclosing classes

Explanation: This involves the same concept of inheritance, where the nested classes also follow the inheritance rules. The Enclosing classes are having single inheritance. Nested classes involves multiple.