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Polymorphism and casting

Tutorial

Intermediate

+10 XP

15 Mins

(126)

Overview

Summary

Polymorphism is a feature of inheritance and one of the pillars of object-oriented programming. By the end of this tutorial, you’ll be able to:
Explain the basics of polymorphism, including its practical use in development.
Upcast and downcast to access different class functionality via polymorphism.
Use type checking to avoid errors.
Serialize variables correctly when you use polymorphism.