Object-Oriented Programming (OOP) is a programming paradigm that organizes data and behaviors into objects. Objects are instances of classes, which define the structure and behavior of the objects. In OOP, objects can interact with each other through methods, which are functions that belong to a class. One of the key principles of OOP is encapsulation, which allows data to be hidden within objects and only accessed through public methods. This enhances security and prevents direct manipulation of data. Another important concept in OOP is inheritance, which enables classes to inherit properties and behaviors from parent classes. This promotes code reusability and allows for the creation of hierarchies of classes. Polymorphism is also a key feature of OOP, which allows objects of different classes to be treated as objects of a common superclass. This enables flexible and dynamic code that can be reused and adapted for different scenarios. Overall, OOP is a powerful paradigm that promotes modular and reusable code, making it easier to develop and maintain complex software systems. Understanding OOP principles is essential for any aspiring programmer in today's technology-driven world.