JVM (Java Virtual Machine) Courses and Certifications

Devoxx

Java Performance Techniques - The Cost of HotSpot Runtime Optimizations

Explores how HotSpot’s runtime optimizations can speed up Java—and how deoptimization and other hidden costs can make them backfire.

• YouTube
• 54 minutes
• Self-Paced
• Conference Talk

Java

Troubleshooting Native Memory Issues in Java Applications

Trace native memory growth in Java applications by confirming leaks and using JVM and system-level diagnostic tools.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

Java

JDK 8 to JDK 18 - Garbage Collection Performance Improvements

Tracks garbage collection performance improvements from JDK 8 to 18, with a focus on enhancements to G1.

• YouTube
• 25 minutes
• Self-Paced
• Free Video

Java

JVM Benchmarking Techniques and Pitfalls - Lecture by Aleksey Shipilev

A practical look at benchmarking as controlled experiments, tracing how operating system, JVM, and CPU optimizations can distort measurements.

• YouTube
• 43 minutes
• Self-Paced
• Free Video

Java

Below the Fold: Adventures in Constancy

Explores how ConstantDynamic lets javac encode more values as constants, enabling constant folding, enhanced intrinsification, and further JIT optimizations.

• YouTube
• 38 minutes
• Self-Paced
• Free Video

Devoxx

Welcome to the Jungle - A Safari Through the JVM Landscape

Explore diverse JVM distributions, their unique features, and optimal use cases. Gain insights into OpenJDK variants, GraalVM, and choosing the right JVM for specific applications.

• YouTube
• 39 minutes
• Self-Paced
• Conference Talk

Devoxx

Lean Spring Boot Applications for the Cloud

Optimize Spring Boot apps for cloud deployment by reducing startup times and memory footprint through various techniques and tools, enhancing performance and efficiency.

• YouTube
• 46 minutes
• Self-Paced
• Conference Talk

Devoxx

Java on CRaC - Superfast JVM Application Startup

Explore how Java checkpoint and restore could reduce JVM startup and warmup delays, including CRaC’s challenges, potential solutions, and proof-of-concept results.

• YouTube
• 51 minutes
• Self-Paced
• Conference Talk

Devoxx

No More Xmx - Adaptable Heap Sizing for Containerized Java Applications

A Google project removes manual -Xmx tuning by adapting Java heap use to container limits and usage.

• YouTube
• 50 minutes
• Self-Paced
• Conference Talk

Devoxx

From Java and Scala to Assembly

Explore performance myths in Java and Scala, analyzing code snippets down to assembly level using tools like JITWatch, javap, and JMH. Learn to measure and verify performance claims accurately.

• YouTube
• 3 hours
• Self-Paced
• Conference Talk

Devoxx

Threading Lightly with Kotlin

Explore Kotlin coroutines as a modern concurrency paradigm, comparing them with traditional threading models. Gain hands-on experience and understand the performance, memory usage, and complexity differences.

• YouTube
• 2 hours 29 minutes
• Self-Paced
• Conference Talk

Devoxx

Major Migrations Made Easy

Discover how OpenRewrite enables quick, safe migrations of JVM frameworks and tools. Learn to upgrade Spring, adopt JUnit 5, and more in minutes using fine-grained recipes and abstract syntax trees.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

Devoxx

Solving Memory Leaks in the JVM

Explore JVM memory management, common OutOfMemoryError causes, and techniques for detecting and resolving memory leaks in Java applications. Learn from real-world scenarios and practical tools.

• YouTube
• 2 hours 41 minutes
• Self-Paced
• Conference Talk

GOTO Conferences

Cadenza - Building Fast Functional Languages Fast

A live coding introduction to normalization by evaluation leads into using Graal and Truffle to JIT functional languages on the JVM.

• YouTube
• 40 minutes
• Self-Paced
• Conference Talk

GOTO Conferences

Memory Efficient Java

Learn to spot memory inefficiency in Java applications and reduce allocations that can hurt throughput and tail latency.

• YouTube
• 38 minutes
• Self-Paced
• Conference Talk