Devoxx Courses

Paketo Buildpacks - The Best Way to Build Java Container Images?

Explore Paketo Buildpacks as an alternative to Dockerfiles for creating Java container images, featuring live demos and community insights from this 30-minute Devoxx session.

• YouTube
• 30 minutes
• On-Demand
• Free Video

Hands-On Refactoring Session with the CodeLaser MCP Server

Discover AI-guided refactoring with CodeLaser MCP Server through hands-on demonstrations of installation, codebase analysis, and deterministic transformations on real projects.

• YouTube
• 31 minutes
• On-Demand
• Free Video

From LLM Orchestration to Autonomous Agents - Agentic AI Patterns with LangChain4j

Explore agentic AI patterns using LangChain4j to build autonomous agents capable of reasoning, planning, and taking actions beyond basic chatbots in Java applications.

• YouTube
• 2 hours 47 minutes
• On-Demand
• Free Video

Be More Productive with IntelliJ IDEA

Discover how IntelliJ IDEA's powerful editor, refactoring tools, navigation features, and integrated development environment can streamline your workflow and boost productivity as a developer.

• YouTube
• 31 minutes
• On-Demand
• Free Video

What the Duck? The Hidden Crisis in Tech

Uncover the hidden burnout epidemic in tech through the lens of Duck Syndrome - appearing calm while struggling beneath the surface, breaking the silence around mental health challenges.

• YouTube
• 39 minutes
• On-Demand
• Free Video

Coding Challenge - AI Test vs PI Test

Explore AI-generated test quality using mutation testing and PI-Test framework to determine when AI coding assistants truly help versus when manual testing is better.

• YouTube
• 32 minutes
• On-Demand
• Free Video

Joda Beans - POJO Code Generation and Beyond

Discover Joda-Beans, an alternative to Lombok for POJO code generation. Learn inline generation of getters, setters, builders, serialization without Jackson, and more advanced features.

• YouTube
• 30 minutes
• On-Demand
• Free Video

Authorization in Spring Security - Permissions, Roles and Beyond

Dive into advanced Spring Security authorization patterns, exploring policy decisions, enforcement strategies, and access control mechanisms beyond basic roles through live-coded examples.

• YouTube
• 2 hours 49 minutes
• On-Demand
• Free Video

Integrating OpenAPI Generator into React Apps - Pitfalls and Best Practices from the Frontlines

Discover how CERN optimized OpenAPI Generator integration in React apps, addressing common pitfalls and sharing an open source solution for better performance and developer experience.

• YouTube
• 33 minutes
• On-Demand
• Free Video

Learning to Use Cursor AI for Java Enterprise Projects

Discover how Cursor AI transforms Java Enterprise development with practical Spring Boot and Quarkus examples, security considerations, and MCP servers for large organizations.

• YouTube
• 35 minutes
• On-Demand
• Free Video

Your Survival Guide to AI in Software Development

Navigate the AI developer toolbox chaos with practical guidance on choosing the right coding assistants, chatbots, and automation tools for your specific needs.

• YouTube
• 41 minutes
• On-Demand
• Free Video

Java Memory Leaks - Understanding JVM Memory Model and Common Leak Patterns

Dive into Java Memory Model fundamentals and analyze 10 common memory leak patterns from 150+ companies, including ThreadLocal, inner classes, and cache issues with hands-on heapdump analysis.

• YouTube
• 2 hours 47 minutes
• On-Demand
• Free Video

A2A in 30 Minutes - Building Interoperable AI Agents

Discover how the A2A protocol enables AI agents to communicate, collaborate, and interoperate across ecosystems, moving beyond isolated intelligence to true multi-agent coordination.

• YouTube
• 30 minutes
• On-Demand
• Free Video

Loom in JDK 25 - Virtual Threads, Structured Concurrency, and Scoped Values

Master asynchronous programming with virtual threads, structured concurrency, and scoped values in JDK 25, including performance improvements and practical implementation patterns.

• YouTube
• 2 hours 33 minutes
• On-Demand
• Free Video

The Yoga of Image Generation with Stable Diffusion and ComfyUI

Master Stable Diffusion and ComfyUI to generate controlled, diverse yoga pose images through hands-on workflows, embeddings, ControlNets, and practical AI techniques for creative projects.

• YouTube
• 31 minutes
• On-Demand
• Free Video