---
id: 69ae9f41a9e6da4eb0d5f7fa
title: OOP Principles
challengeType: 11
videoId: rkOObSk6ApA
dashedName: oop-principles
---

# --description--

In this video, you will learn about common OOP principles.

# --questions--

## --text--

Which of the following is NOT a core OOP principle?

## --answers--

Polymorphism

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Encapsulation

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Singleton

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Abstraction

## --video-solution--

3


