4 Principles of Object-Oriented Programming

The four principles of object-oriented programming (abstraction, inheritance, encapsulation, and polymorphism) are features that - if used properly - can help us write more testable, flexible, and maintainable code.

Basic Principles of Object-Oriented Programming - ParTech

The Four Pillars of Object Oriented Programming, by Ben Jacobs

The Four Pillars of Object Oriented Design - CodeProject

Principles of Data-Oriented Programming

Object Oriented Programming (OOPs) Concepts in C++

Introduction of Object Oriented Programming - GeeksforGeeks

4 PRINCIPLES OF OBJECT ORIENTED PROGRAMMING//MUDIT AGRAWAL

Object-oriented programming principles, by Sushant Sharma

Object-Oriented Programming: Principles and Advantages