Devoxx Courses

Fairies, Fakers and Factories - Boost Your Tests with Better Test Data

Boost test quality with automated, realistic data generation using tools like Java Faker and jFairy. Learn to create test data factories for improved productivity and more representative test scenarios.

• YouTube
• 26 minutes
• Self-Paced
• Conference Talk

How Betclic is Using its Datalake to Generate Some Load Tests and Simulate Sports Events

Découvrez comment Betclic utilise son Datalake pour générer des tests de charge et simuler des événements sportifs, assurant ainsi la continuité de service face à une croissance exponentielle.

• YouTube
• 25 minutes
• Self-Paced
• Conference Talk

Write You An Actor System For Great Good! with JBang, JDK 19, Records, Pattern Matching and Virtual

Dive into modern Java features by building an actor system from scratch. Explore expression switches, records, sealed types, and virtual threads while comparing to other languages and runtimes.

• YouTube
• 2 hours 34 minutes
• Self-Paced
• Conference Talk

A Java Developer Journey into Apache Cassandra

Comprehensive deep-dive into Apache Cassandra for Java developers, covering architecture, data modeling, and integration with modern frameworks. Includes hands-on labs and practical examples for immediate application.

• YouTube
• 2 hours 52 minutes
• Self-Paced
• Conference Talk

Gradle - Give Your Build Some Love, It Will Be Returned

Explore advanced Gradle features for JVM projects, dependency management, and build optimization. Learn idiomatic plugin development, build organization, and Configuration Cache usage to enhance developer productivity.

• YouTube
• 2 hours 46 minutes
• Self-Paced
• Conference Talk

Blockchain, NFT and Smart Contracts for My Java Application

Explore practical applications of distributed ledger technologies in Java, focusing on real-world use cases beyond cryptocurrencies and speculative assets.

• YouTube
• 2 hours 41 minutes
• Self-Paced
• Conference Talk

Loom is Blooming

Explore Loom's lightweight virtual threads, structured concurrency, and performance gains. Learn new patterns, ExtentLocal, StructuredExecutor, and synchronization for efficient concurrent programming in Java.

• YouTube
• 2 hours 41 minutes
• Self-Paced
• Conference Talk

Supercharge Your Native Image Applications in 5 Steps

Learn to optimize GraalVM Native Image apps for peak performance. Explore development, testing, metadata handling, and monitoring techniques to maximize startup time and memory efficiency.

• YouTube
• 31 minutes
• Self-Paced
• Conference Talk

OpenTelemetry - An Observability Framework for Cloud Native Software

Explore OpenTelemetry, a vendor-agnostic observability framework for cloud-native software. Learn about its specification, integration with frameworks, and focus on solving operational challenges in distributed architectures.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Helm vs Kustomize - The Frenemies That Soothe Kubernetes

Explore Helm and Kustomize for Kubernetes resource management. Compare their approaches, strengths, and potential synergies in simplifying infrastructure maintenance for distributed systems.

• YouTube
• 26 minutes
• Self-Paced
• Conference Talk

Secrets of Performance Tuning Java on Kubernetes

Explore JVM ergonomics, CPU throttling, and Garbage Collectors to optimize Java performance on Kubernetes. Learn to balance vertical and horizontal scaling for improved efficiency and cost reduction in cloud environments.

• YouTube
• 2 hours 34 minutes
• Self-Paced
• Conference Talk

Angular Dependency Injection - Understanding Hierarchical Injectors

Angular Dependency Injection: Explore hierarchical injectors, resolve dependencies, and implement scalable folder structures. Learn to build flexible, testable components for robust Angular applications.

• YouTube
• 46 minutes
• Self-Paced
• Conference Talk

Pattern Matching - Small Enhancement or Major Feature

Explore pattern matching in Java: from instanceof enhancements to advanced features like deconstruction patterns and sealed types. Discover its impact on switch expressions and future improvements.

• YouTube
• 39 minutes
• Self-Paced
• Conference Talk

Exploring Quarkus on JDK 17

Discover how to leverage Java 17's unique features with Quarkus, focusing on performance improvements, new capabilities, and security enhancements for efficient development.

• YouTube
• 41 minutes
• Self-Paced
• Conference Talk

Simple Tweaks to Get the Most Out of Your JVM

Optimize JVM performance for cloud-native apps with simple tweaks. Learn about JVM options, startup time improvements, and energy-saving techniques for efficient microservices.

• YouTube
• 42 minutes
• Self-Paced
• Conference Talk