Encapsulation Courses
Pluralsight .NET OOPS
Great Learning via YouTube Classes in Java
Great Learning via YouTube Introduction to Java
Cybrary Object-Oriented Principles in PHP
Laracasts Object Oriented Programming (OOP) in C++ Course
freeCodeCamp Intro to Object Oriented Programming - Crash Course
freeCodeCamp Java Basic Object Oriented Programming Interview Course
Udemy Python for OOP: The A-to-Z OOP Python Programming Course
Udemy Design Patterns in Plain English - Mosh Hamedani
Programming with Mosh via YouTube