Robuta

https://www.coursera.org/learn/packt-intermediate-javascript-oop-and-concepts-nye6e?authMode=login
Offered by Packt. This course features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test ... Enroll for free.
oop conceptsintermediatejavascriptcoursera
https://www.educative.io/courses/handbook-ruby-developers/class-methods
Learn the differences between class and instance methods in Ruby, and discover when to use class methods or modules effectively in object-oriented programming.
class methodsoop conceptsunderstandingruby
https://www.educative.io/courses/learn-object-oriented-programming-in-c-sharp/console-based-project
Design a console-based vending machine in C# practicing composition, aggregation, inheritance, and input validation with real-world object-oriented examples.
vending machineoop conceptsbuildconsoleproject
https://dev.to/aadarshk7/oop-concepts-are-importants-1ho5
A post by Aadarsh Kunwar. Tagged with object, class, methods, constructors.
oop conceptsdev community