JDK vs JRE vs JVM Explained | Java Ecosystem for Beginners | Chapter 2

Ever wondered what actually happens when you run a Java program?
Welcome to Chapter 2 of our Java Masterclass! In this session, we go "under the hood" to explore the Java Ecosystem—the engine that makes Java the most powerful language in the world.

We break down the JVM Architecture, the role of the JRE, and how the JDK provides the tools you need to build professional software. Plus, we’ll move from theory to action with a step-by-step JDK installation and command-line compilation.

📌 What’s Covered in This Video:
- The JVM: Why Java is truly platform-independent.
- JRE vs JDK: Understanding the difference.
- Memory & Performance: A look at Garbage Collection and the JIT Compiler. - Hands-on Setup: Installing the JDK and configuring Environment Variables.
- The Developer Workflow: Mastering javac and the java command.

⏳ Timestamps:
00:00 - Intro – What This Chapter Covers
01:05 - JVM – The Heart of Java Execution
02:16 - JRE – The Runtime Engine
03:40 - JDK – The Complete Toolkit
05:06 - JVM vs JRE vs JDK: Key Differences
05:28 - Setting Up JDK: Step-by-Step Installation
07:36 - Java Compiler (javac): How it Works
11:00 - Running Java Programs & Error Handling
11:54 - Recap – The Java Ecosystem
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