OOP can seem a bit abstract at first, but once you get the hang of it, it’ll change the way you write code. It’s all about thinking in terms of objects and their interactions, which leads to cleaner, ...

Object-oriented programming gives us modifiers, which control the visibility of members and methods. In some languages, like Java , we have modifiers such as private and public .

Becoming popular in the early 1990s and the norm today, object-oriented programming (OOP) languages, such as C++ and Java, provide a formal set of rules for creating and managing objects.

The Java programming language emerged roughly 25 years ago, when Smalltalk and C++ dominated. Back then it was easy to argue that the world didn't need another object-oriented programming language.