Dive deep into how OOP works in Java. Learn to write cleaner, more reusable code using OOP principles.

Java for Programmers

Object Oriented Programming (OOP) is a programming paradigm popular for large and complex systems. In this. module, dive deep into how OOP works in Java. Learn to write cleaner, more reusable code using OOP principles.

Object Oriented Programming

The written code of a class and its attributes are known as the **definition** or **implementation** of the class.

## Declaration

In Java, we define classes in the following way:

The written code of a class and its attributes are known as the **definition** or **implementation** of the class.

# Declaration

In Java, we define classes in the following way:

In this lesson, you will learn about the declaration and implementation details of a class.

Classes and Objects

Data Hiding

Inheritance

Polymorphism

Abstract Classes and Interfaces

Aggregation and Composition

Declaration and Implementation