How to implement an abstract method in Java?

What is Abstraction in Object-oriented Programming? ❓ As one of the four pillars of OOP, Abstraction utilizes classes and objects to mask the internal details of a program from users. Creating a layer of abstraction between the user and the complex source code helps protect the vital information stored within the source code. 🚗 In a car, you can see the steering wheel, accelerator, and brake pedals needed to control the vehicle. You do not have to worry about how the engine is built to drive it

🌍 "Hello, World!" Across Different Programming Languages 💻 Learning a new programming language often starts with a simple step — printing "Hello, World!" But the way we write this basic line varies across languages. In my video, I demonstrated how to print it in four popular languages: 🐍 Python: print("Hello, World!") — simplest, just one line. 🌐 JavaScript: console.log("Hello, World!"); — common in browser console. ☕ Java: Requires a class and main() method structure. ⚙️ C: Uses printf with