Devoxx Courses

Tactical Domain Driven Design with Java and Spring

Master tactical Domain-Driven Design implementation in Java using jMolecules library and Spring Modulith to build rich domain models, handle business modules, and manage event-driven interactions.

• YouTube
• 2 hours 42 minutes
• Self-Paced
• Free Video

Spring Boot in the Cloud - Advanced Optimization Deep Dive

Master advanced Spring Boot optimization techniques for cloud environments through hands-on exercises covering memory reduction, startup acceleration, and performance tuning.

• YouTube
• 2 hours 40 minutes
• Self-Paced
• Free Video

The Power of Cursor Rules in Java Enterprise Development

Discover how Cursor Rules revolutionize Java Enterprise development through intelligent AI-powered prompts for build systems, testing, refactoring, and performance optimization with Spring Boot and Quarkus.

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

Going Serverless with Quarkus, GraalVM Native Images and AWS Lambda

Discover how to migrate from Spring on VMs to Quarkus with GraalVM native images on AWS Lambda. Learn serverless architecture, development experience, deployment with SAM CLI, and cost optimization.

• YouTube
• 2 hours 42 minutes
• Self-Paced
• Free Video

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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• 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
• Self-Paced
• Free Video

Deep Dive - GraalVM in Practice

Master GraalVM for production-ready native Java applications with migration strategies, performance optimization, security, monitoring, and advanced deployment techniques.

• YouTube
• 2 hours 29 minutes
• Self-Paced
• Free Video