A Deep Dive into JVM Start-Up

Published: 09 January 2025
on channel: Java

33,545

1.3k

Before the code in the main method a Java application is executed, the JVM must go through an a long and complex series of steps to metaphorically create the universe to run your Java application. In this episode of Stack Walker we take a deep dive into the processes the JVM goes through to create that universe.

Chapters
0:00 - Intro
2:11 - Level Setting
3:38 - JVM Initialization
7:38 - Class Loading, Linking, Initialization Overview
8:13 - Class Loading
11:34 - Class Linking
16:16 - Class Initialization
18:51 - Future
20:15 - Conclusions

Make sure to check the    • Stack Walker   playlist for more.

Resources
• Java's Startup Booster: CDS ➤    • Java's Startup Booster: CDS
• A Preview of What's Coming in Project Leyden - IJN ➤    • A Preview of What's Coming in Project...
• Project Leyden Update ➤    • Project Leyden Update #JVMLS
• JNI_CreateJVM ➤ https://docs.oracle.com/en/java/javas...
• Java Virtual Machine Specification ➤ https://docs.oracle.com/javase/specs/...
• Inside.Java ➤ https://inside.java
• Dev.Java ➤ https://dev.java

Tags #Java #JVM #Performance #OpenJDK

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