B3.1.1 Evaluate the fundamentals of OOP

Опубликовано: 25 Май 2026
на канале: Mr. Rhed CS
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In this video, we will learn about B3.1.1: The Fundamentals of Object-Oriented Programming or OOP.

Object-Oriented Programming is a programming approach that models real-world entities using objects. These objects are created from classes and can contain both data and actions. OOP helps programmers organize code in a way that is easier to understand, reuse, and maintain.

This lesson explains the key concepts of OOP, including classes, objects, inheritance, encapsulation, and polymorphism. You will learn how these concepts help represent real-world examples such as students, bank accounts, vehicles, or employees in a program.

We will also evaluate the advantages and disadvantages of using OOP in different programming scenarios. OOP can make large programs easier to manage, but it may also add complexity if it is used for very small or simple tasks.

By the end of this video, you should be able to explain the fundamentals of OOP, describe how real-world entities can be modeled in a program, and evaluate when OOP is suitable to use.

Topics covered:

What Object-Oriented Programming means
Classes and objects
Inheritance
Encapsulation
Polymorphism
Modeling real-world entities
Advantages of OOP
Disadvantages of OOP
When to use OOP in programming

IB DP Computer Science Topic: B3.1.1
Main Focus: Evaluating the Fundamentals of Object-Oriented Programming