Object-oriented programming is the backbone of how Java works. It allows developers to structure code in a logical and reusable way. If you're learning Java or planning to build projects, learning the concept of OOPS in Java is one of the first steps. Object-oriented programming generally referred to as OOPS is the backbone of java as java is not a purely object oriented language but it is object oriented language. Java organizes a program around the various objects and well-defined interfaces. There are four pillars been here in OOPS which are listed below. These concepts aim to implement real-world entities in programs. Abstraction Encapsulation Inheritance Polymorphism Abstraction Abstraction is a process of hiding implementation ... Learn concept of Object Oriented Programming ( OOP ) in java with example. Know about Abstraction, Encapsulation, Inheritance, Polymorphism in this tutorial. Learn about the core OOP concepts in Java , such as classes, objects, inheritance, polymorphism, and encapsulation. This will help you write better, more reusable, and maintainable code.