Java

Discover Mandrel, the downstream GraalVM distribution from Red Hat and the GraalVM community that powers the Red Hat build of Quarkus. 

Learn how Quarkus team, production users, and the community drove Quarkus to a full GA product available in Red Hat Runtimes and what's new in this release.

Learn how to quickly and easily create a custom Jenkins container by aggregating readily available containers in a pod template.

Read this overview of how the fabric8 Maven plug-in handles the administrative tasks for deploying Maven Java applications to a Red Hat OpenShift cluster.

jbang: Unleash the power of Java for shell scripting | DevNation Tech Talk

The Red Hat build of Quarkus is now available through Red Hat Runtimes, bringing full support that includes an active community, continuous updates, and a fast release cadence.

Create prepared statements and collector queries with the Fluent API and Red Hat's build of Eclipse Vert.x version 3.9, even with multiple interactions.

Behavior is easy, state is hard–Tame inconsistent state in your Java code | DevNation Tech Talk

Get a quick look at using Fabric8 for common operations in Kubernetes, then dive into the Fabric8 Kubernetes Java Client Cheat Sheet.

Redis vs Infinispan | DevNation Tech Talk

Explore some of the many use examples added to Kogito 0.9.1, such as ruleunit-quarkus-example, dmn-quarkus-example, and process-script-example.

Explore Open Liberty 20.0.0.5: Failover EJB persistent timers, JAAS classes from resource adapters, logs to JSON or dev, and omit JSON fields.

AI vs COVID-19: How Java helps Nurses and Doctors in this Fight | DevNation Tech Talk

Learn how to build a change data capture solution using Debezium and Apache Kafka within an OpenShift environment.

Learn how important spatial data is, and tour the tools you might need to use this massive amount of data well and with as little manual work as possible.

Walk through enabling integration with Elasticsearch on a Red Hat OpenShift environment, and representing the KPIs in a graphical dashboard using Kibana.

This cheat sheet covers how to create a Kubernetes Operator in Java using Quarkus.

Consumers in Apache Kafka 2.4.0 can now read messages directly from follower replicas. Get started with the new ReplicaSelector interface in AMQ Streams.

Explore the new business process automation features, improvements, and previews released in Red Hat Process Automation 7.7.

Learn how to create an Operator to deploy a sample application based on Spring Boot and Camel, then deploy it on an OpenShift cluster.

Explore the improvements in JBoss Tools 4.15.0 and Red Hat CodeReady Studio 12.15 for Eclipse 4.15 (2020-03) to Quarkus and container-based development.

Explore where Quarkus fits in the Kubernetes-native Java ecosystem for faster microservices and serverless applications, and walk through an example.

Use Red Hat OpenShift Serverless and Apache Camel K to create a serverless Java application that you can scale up or down on demand.

In this second of two articles, explore smaller improvements in JBoss Tools 4.14.0: updating Hibernate Tools and the JDTs for Java 13, and updating the UI.

In this first of two articles, find out what's new in JBoss Tools 4.14.0, including support for OpenShift Container Platform 4.3 and new Quarkus tooling.