Static & Final in Java | Static Methods, Blocks & String[] args | Java Full Course #15

Pubblicato il: 06 marzo 2026
sul canale di: Coder Army

13,547

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In this Java lecture, we take a deep dive into the static and final keywords in Java and understand how they work internally.

You will learn how static variables and methods behave, why the main() method is static, how static blocks work, and how final is used in Java. We also break down the String[] args parameter of the main method, which often confuses beginners.

This lecture is part of the Java Full Course series, designed to help you understand Java from fundamentals to advanced concepts with clear explanations and coding example.

What You Will Learn :
What the static keyword means in Java
How static variables and static methods work
Important rules of static members
What a static block is and when it executes
How the final keyword works in Java
Why the main() method must be static
What static final variables represent
Understanding the String[] args parameter

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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Timestamps:

00:00 Intro
00:45 Static Keyword
09:14 Static Methods
12:41 Rules of static
18:03 Code for static members
22:22 Static Block
27:17 Final Keyword
35:18 Why main() is static
38:09 Static final variables
39:49 Understanding String[] args parameter

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