Devoxx Courses

Quarkus Unleashed - Transforming Java Applications with Extensions and Native Compilation

Unlock the power of Quarkus Extensions to transform Java applications into resource-efficient native artifacts using GraalVM with hot reloading and Dev Services.

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

Live Coding The Hive - Building a Microservices Ready Modular Monolith

Discover the Hive architecture pattern that decouples deployment from design, enabling flexible modular monoliths or microservices with resilient, scalable systems.

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

Spring Boot 4.0 - New Features and Migration Guide - Chapter 4

Discover Spring Boot 4.0's new features including nullness metadata, fine-grained dependencies, Jackson 3.0 integration, and asynchronous RestClient usage in this upgrade guide.

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

Behavioral Software Engineering - Understanding Psychological Biases in Development

Explore how psychological biases from behavioral economics impact software engineering decisions, from performance evaluation to technology choices and problem-solving approaches.

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

Virtual Threads, Structured Concurrency and Scoped Values - Putting it All Together

Master Project Loom's Virtual Threads, Structured Concurrency, and Scoped Values by building a Spring Boot application that demonstrates lightweight, scalable concurrent programming.

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

Local Development in the AI Era

Explore local AI development solutions, run models locally, evaluate code assistants, and compare vendor options to optimize your development workflow while maintaining control.

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

Finally, Final Means Final - A Deep Dive into Field Immutability in Java

Dive into Java's 'final' keyword semantics, JVM behavior, and performance implications. Explore field immutability, optimization techniques, and the new "Stable Value" preview feature.

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

Level Up Your LangChain4j Apps for Production

Master production-ready LangChain4j development with advanced RAG, multi-LLM orchestration, guardrails, observability, and testing for AI-powered applications.

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

Robotics and GraalVM Native Libraries

Discover how Java powers real-time robotic control and explore GraalVM's potential to replace C++ in industrial automation systems with behind-the-scenes insights.

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

Your Code Base as a Crime Scene

Discover how to investigate code quality decline using detective techniques, identifying organizational triggers and implementing protective strategies for better software development.

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

From the Comfort of AWS to the Unknown of GCP and Back - Migrating a Well-Engineered Platform

Discover the real challenges of migrating a well-engineered AWS platform to GCP, including unexpected hurdles with Kubernetes, monitoring, and data replication tools.

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

A Developer's Search for Meaning - Thriving as AI Transforms Our World

Discover how to reconstruct your professional identity as AI transforms development, moving from existential crisis to purposeful evolution as an "AI shepherd."

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

Accelerating Maven Builds - From Snail's Pace to Rocket Speed

Discover practical techniques to supercharge your Maven builds and boost developer productivity with three key optimization strategies that transform slow compilation into lightning-fast feedback cycles.

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

Bootiful GraalVM - Spring and GraalVM for Production Applications

Discover how Spring and GraalVM deliver blazingly fast startup, enhanced security, and reduced footprint for production-ready JVM applications in 2025.

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

Backlog.md - Reaching 95% Task Success Rate with AI Agents

Discover how to achieve 95% task success with AI coding agents through structured workflows, context optimization, and the Backlog.md system for automated feature development.

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