OOP’s Concepts Made Easy: Your Ultimate Cheat Sheet Companion

Java OOP Made Easy. Object-Oriented Programming (OOP) is a cornerstone of Java, simplifying development and enhancing code structure. Whether you’re an aspiring developer or revisiting the basics, this cheat sheet provides a quick and comprehensive overview of the essential OOP concepts in Java

Access Modifiers in Java

Access modifiers control the visibility and accessibility of classes, methods, and variables. Here’s a clear diagram to illustrate the scope of each modifier:

1. Public — Accessible from anywhere.
2. Private — Accessible only within the class.
3. Protected — Accessible within the same package and subclasses.
4. Default — Package-private; accessible only within the same package.

Access Modifiers in Java

Access Modifiers class level

Non-Access Modifiers in Java: Key Points