"Java Access Modifiers Explained | Public, Private, Protected, Default with Examples"

Published: 21 August 2025
on channel: Technical Rooter

In this video, we will cover one of the most important topics in Java programming – Access Modifiers. Access Modifiers define the visibility and accessibility of classes, methods, constructors, and variables in your Java program. Understanding them is essential for writing clean, secure, and maintainable code.

We will go step by step and explain the four types of access modifiers in Java:

1️⃣ Public – Accessible from anywhere in the project or outside packages.
2️⃣ Private – Accessible only within the same class.
3️⃣ Protected – Accessible within the same package and by subclasses (inheritance).
4️⃣ Default (no modifier) – Accessible only within the same package.

You’ll learn the differences between each modifier with practical coding examples so that you can easily decide which one to use in real-world projects. We’ll also discuss best practices, common mistakes beginners make, and how access modifiers support encapsulation in Object-Oriented Programming (OOP).

Whether you are a beginner learning Java basics or preparing for Java interviews, this video will give you a strong understanding of access control in Java. By the end of this tutorial, you’ll know exactly when to use public, private, protected, or default access, and how they improve security, reusability, and modularity in your applications.

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