Devoxx Courses

How I Solved Production Issues with OpenTelemetry and How You Can Too

Discover how OpenTelemetry solves production issues in Java applications through real-world examples, traces, service graphs, and practical observability techniques for microservices.

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

Practical API Testing with OpenAPI and Citrus Framework

Discover how to leverage Citrus Framework and OpenAPI specifications for comprehensive API testing, including client generation, realistic simulations, and automated schema validation.

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

Extending Functional Pipeline with Gatherers

Explore Java's new Gatherers interface to extend functional pipelines beyond built-in operations, covering different types, use cases, and implementation recommendations.

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

Protect Your AI Applications with the Help of the OWASP GenAI Security Project

Discover how to secure AI applications using OWASP GenAI Security Project guidelines, threat assessment techniques, and protective measures for LLM-based products.

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

Java 21 to 25 - Better Language, Better APIs, Better Runtime

Explore Java's evolution from version 21 to 25, covering language enhancements, API improvements, and runtime optimizations including unnamed patterns, memory APIs, and performance boosts.

• YouTube
• 2 hours 41 minutes
• Self-Paced
• Free Video

Picocli - Put Some Java in Your Terminal

Discover how to build powerful command-line interfaces using Java with Picocli and Quarkus, including live coding and creating native executables with GraalVM.

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

Java Adventures - JTaccuino, Java 25 and AI

Explore Java 25's latest features through interactive JTaccuino notebooks with AI-powered discovery using local LLMs and hands-on demos of JEPs 502, 507, 508, and 520.

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

The Three Amigos in Java - Records, Sealed Classes, and Pattern Matching

Explore how Records, Sealed classes, and Pattern Matching revolutionize Java programming and enable powerful Data Oriented Programming techniques.

• YouTube
• 2 hours 52 minutes
• Self-Paced
• Free Video

TornadoVM Deep Dive - Empowering Java Developers with GPU Acceleration

Discover how TornadoVM enables Java developers to harness GPU power without deep GPU programming expertise, featuring API overview, tools, and live LLM optimization demos.

• YouTube
• 2 hours 26 minutes
• Self-Paced
• Free Video

Large Scale Distributed LLM Inference with LLM-D and Kubernetes

Explore large-scale LLM deployment using LLM-D, a Kubernetes-based framework for distributed inference with optimized routing and cost-efficient GPU utilization.

• YouTube
• 1 hour 44 minutes
• Self-Paced
• Free Video

Spec Driven Development with Kiro - Vibe Coding with Guardrails

Discover how Kiro's AI-powered IDE transforms prompts into specs, generates code, docs, and tests automatically while maintaining developer control through flexible workflows and guardrails.

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

Pod Right Sizing in the Second Decade of Kubernetes

Master dynamic pod resource optimization with In-Place Pod Resize (IPPR) in Kubernetes, eliminating trial-and-error allocation and enabling real-time right-sizing without restarts.

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

Agent Orchestration with LangChain4J

Master agent orchestration patterns in Java using LangChain4J to build controlled AI workflows with sequential, parallel, and supervisor patterns plus human validation strategies.

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

Java and AI - How Java Features Meet the Needs of Artificial Intelligence

Explore how Java features like Project Panama's Foreign Function and Memory API and future Project Babylon capabilities empower AI development and meet evolving artificial intelligence needs.

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

Java 25 - The Next LTS Release

Discover Java 25's key enhancements: unnamed patterns, flexible constructors, improved garbage collection, quantum-resistant encryption, and streamlined program launching features.

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