Immutable Classes in Java | How to Create Immutable Objects | Java Full Course #21

Publié le: 16 mars 2026
sur la chaîne: Coder Army

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In this lecture of the Java Full Course Series, we dive deep into Immutable Classes in Java — one of the most important concepts for writing safe, reliable, and thread-safe applications.

You will learn what immutability means, and how immutability helps in security, caching, and multithreading.

We will also build our own immutable class step-by-step and understand the rules required to design immutable objects in Java.

This topic is extremely important for Java interviews, system design, and backend development.

Why Learn Java?
Java is one of the most powerful and widely used programming languages in the world.
It is used in:
Backend development
Enterprise applications
Android development
Banking systems
Large-scale distributed systems

If you want to master Data Structures, Spring Boot, Microservices, or System Design, Java fundamentals are essential.

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