Object-oriented Programming Apr 2026
Think of OOP as building with Lego bricks. Instead of writing a long list of instructions for a computer to follow top-to-bottom, you create independent units (objects) that interact with each other. The Four Pillars of OOP
: This allows a new class (subclass) to adopt the properties and behaviors of an existing class (superclass). If you have a class "Vehicle," a "Car" class can inherit from it, automatically gaining features like "wheels" and "engine" while adding its own specific details. Object-Oriented Programming
: You can use classes you’ve written before in new projects through inheritance. Think of OOP as building with Lego bricks
: This means showing only the essential features of an object and hiding the complex implementation. For example, when you drive a car, you interact with the steering wheel and pedals (the interface) without needing to understand how the internal combustion engine works (the complexity). If you have a class "Vehicle," a "Car"