JVM Architecture Explained | Java Virtual Machine (Class Loader, Memory, JIT)

Published: 02 January 2026
on channel: CODEDECODED
18
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In this video, we explain JVM Architecture in Java in a simple and visual way.
You will learn Class Loader Subsystem, Runtime Data Areas, Heap, Stack, and JIT Compiler in JVM.
This Java tutorial covers:
JVM Architecture explained step by step
Class Loader Subsystem in JVM
Runtime Data Areas (Heap, Stack, Method Area)
Execution Engine, Interpreter and JIT Compiler
How JVM works internally

This video is useful for:
Java beginners
C-DAC / C-CAT students
Java interviews
Computer Science students

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00:00 What is JVM?
00:45 Write Once Run Anywhere
01:30 JVM Architecture Overview
02:10 Class Loader Subsystem
03:10 Runtime Data Areas
05:20 Execution Engine & JIT
06:40 JVM Summary


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