Question

What is true of final class?

(a) Final class cause compilation failure

(b) Final class cannot be instantiated

(c) Final class cause runtime failure

(d) Final class cannot be inherited

The question was posed to me in an online quiz.

This question is from Access Control in chapter Classes and Methods of Java

Answer 1

Right answer is (d) Final class cannot be inherited

For explanation: Final class cannot be inherited. This helps when we do not want classes to provide extension to these classes.