12. Polymorphism, Interfaces and Operator Overloading

One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them.

John Ronald Reuel Tolkien

General propositions do not decide concrete cases.

Oliver Wendell Holmes

A philosopher of imposing stature doesn’t think in a vacuum. Even his most abstract ideas are, to some extent, conditioned by what is or is not known in the time when he lives.

Alfred North Whitehead

Why art thou cast down, O my soul?

Psalms 42:5

Objectives

In this chapter you’ll learn:

Image The concept of polymorphism and how it enables you to “program in the general.”

To use overridden ...

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