Java Tutorials by Dr Heinz Kabutz

Ever heard of -XX:SelfDestructTimer=42? It's a JVM flag. Guess what it does? We follow some breadcrumbs to figure out what the JVM flags are, how to get a quick description in globals.hpp and lastly, show where to discover them in the OpenJDK source code.

Audience: intermediate to advanced Java programmers

This and much more is available also in our new self-study course: Extreme Java - Concurrency Performance for Java 8.

Java Tutorial 007 - JVM Flags Bread Crumbs

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Table of Contents

• 001: Hacking together our own ArrayList in less than 10 minutes
• 002: Making the ArrayList circular in under 15 minutes
• 003: Using Java Reflection to Test Our CircularArrayList
• 004: Computational time complexity trumps brute force parallelism
• 005: Survival Guide For Stupidity - How I kept my cool when I lost my $4000 laptop
• 007: JVM Flags Bread Crumbs
• 008: JShell, the new Java 9 REPL for Interactive Hacking

We hope you enjoyed this tutorial. If you did, you will also enjoy our courses. We suggest you start with Extreme Java - Advanced Java, followed by Extreme Java - Concurrency Performance for Java 8.