Java

Learn how to communicate with OpenAI ChatGPT from a Quarkus application using the ChatGPT API in this demo.

DevNation Day LATAM

This article describes containerizing a Spring Boot application using Podman Desktop, containerfile basics, and how to run the container locally.

Learn how to migrate server configurations to Red Hat JBoss Enterprise Application Platform 7.4 using the JBoss Server Migration Tool in this demo.

Explore new concurrency patterns enabled by virtual threads in Java 21, along with two related features: Structured Concurrency and Scoped Values.

Learn how to set up and test a simple JBoss EAP session replication application with Azure App Service and virtual networks to enable clustering. 

Dive into just-in-time (JIT) compilation with HotSpot, OpenJDK's Java virtual machine, and explore techniques for debugging unexpected warm-up behavior.

This article explains how you can automate your Git host key verification setup using the Jenkins Source-to-Image process.

GPT4All is an open source tool that lets you deploy large language models locally without a GPU. Learn how to integrate GPT4All into a Quarkus application.

Ready to deploy a Quarkus application to OpenShift? If so, are you using

Java 21 is here! Explore new features in JDK 21, including virtual threads, record patterns, and sequenced collections.

This article discusses how to upgrade the QOSDK and Quarkus code so that future installments can be done with recent versions of the projects.

In this learning path by Rob Stryker, you will learn how to deploy applications

Get an introduction to Quarkus extensions and find out why they are an integral part of the Quarkus ecosystem.

This tutorial shows how to automate message queue management and deployment using the Ansible collection for Red Hat JBoss Enterprise Application Platform.

Confused by cross-origin resource sharing (CORS)? This article guides you through solutions to CORS errors for applications hosted on OpenShift.

This article explains how to set up and run tests in a Testing Farm environment to make building and testing your upstream project easier.

This article demonstrates how to implement a basic operator using Java Operator SDK, Quarkus, and Fabric8 Kubernetes client.

Are you a Java application developer? These step-by-step learning paths will add to your toolset and level up your skills.

Learn about Cryostat’s 2.3 new agent capabilities and how to profile Java applications.

This article provides insights into the process of migrating Java applications.

Clean architecture enables you to build more robust, adaptable software. This example showcases key concepts and patterns involved in implementation.

Learn how to create a Java application on top of Spring Boot 3 and protect it by using Spring Security and Keycloak—without having to rely on Keycloak adapters.