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Introduction to Classes

Explore the concept of classes in Java, understand how they define objects by combining state and behavior, and learn their role as the foundation of modular and reusable code in object-oriented programming. This lesson covers fields, methods, and the benefits of using classes to organize and maintain applications.

A brief encounter

In the real world, we can find many objects around us like cars, buildings, and humans. All these objects have some state and behavior. If we consider a car, then its states are name, speed, and fuel, and the behavior is refuel, drive, and park.

Definition

Classes are the building blocks of programs built using the object-oriented methodology. Such programs consist of independent ...