Devoxx Courses

Hands-on - Backlog.md - Plan Tasks with AI

Discover a lightweight CLI tool for managing project collaboration between humans and AI agents using git-native Markdown files - no database or hosting required.

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

Stop Scheduling Like It's 1999 - Green Software Needs Better Timing

Discover how to reduce software's carbon footprint by scheduling jobs when electricity is cleanest using the GreenScheduled Java library and real-time grid data.

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

Understanding MCP Model Context Protocol in 30 Minutes

Discover MCP (Model Context Protocol) through live coding with Quarkus - learn to consume and build MCP servers for seamless LLM integration with external data sources.

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

Unlocking AI Coding Assistants - Real World Use Cases

Master AI coding assistants through real-world examples, learning to refine prompts, interpret responses, and overcome limitations to write production-grade software effectively.

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

Why Haven't They Fixed This? - Java Language and Platform Design Challenges

Explore Java's longstanding design challenges and discover why seemingly simple problems remain unfixed after 30 years of development.

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

Spring Debugger - Behind The Scenes of Spring Boot

Discover how IntelliJ IDEA's Spring Debugger reveals Spring Boot's inner workings, helping you debug property values, transactions, database connections, and bean implementations faster.

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

Spring Boot Testing in Practice - What Changes and What Doesn't with GenAI Integrations

Master comprehensive testing strategies for Spring Boot applications, including unique challenges of GenAI integrations like RAG and non-deterministic LLM behavior.

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

Wirespec - API Design, Actually Spec First, in Your Ecosystem

Discover Wirespec, a human-readable API specification language that addresses OpenAPI's limitations while enabling true spec-first design across Maven, Gradle, npm, and native ecosystems.

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

Smart API Sandboxes - Why, What, How

Discover how to build smart, cost-effective API sandboxes using Microcks that overcome traditional limitations with realistic mocks, AI-powered testing, and seamless DevOps integration.

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

RoboCoders - Judgment Day - AI IDEs Face Off

Discover how AI-powered IDEs like Cursor and Windsurf handle complete development workflows in this live coding showdown building a smart light bulb controller from scratch.

• YouTube
• 3 hours 1 minute
• Self-Paced
• Free Video

Bootiful Spring Boot - The Deep Dive

Dive into comprehensive Spring Boot development covering dependency injection, web programming, microservices, security, messaging, and modern architectural patterns.

• YouTube
• 3 hours 1 minute
• Self-Paced
• Free Video

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