Java

Read an informative overview covering the new book, Modernizing Enterprise Java, a Concise Cloud Native Guide for Developers. Download the free e-book today.

Red Hat Developer shares its readers' top picks of articles posted in November 2021, including two Linux updates. See the full recap at the end of this article.

Connect web services with Camel K and AtlasMap. Learn how to inspect the service interface, design an OpenAPI definition, map data, and define a Camel route.

Learn about the Apache Camel K platform and how to use it to normalize APIs and connect services. Explore how to use AtlasMap to simplify data mapping.

Capture JFR data on the fly with the POST rule in Cryostat 2.0. Diagnose performance problems in containerized apps running on Kubernetes and Red Hat OpenShift.

Discover how runtime profiling in OpenJDK's HotSpot JVM improves speculation and contributes to optimization in this Red Hat guide with illustrated benefits.

Find out how to use JMC agent plugin to monitor the performance of a running JVM by adding custom JFR events without stopping or rebuilding the Java app.

Learn how to use Red Hat OpenShift ConfigMap to preconfigure custom event templates in Cryostat 2.0. Discover how to add a ConfigMap to the Cryostat Operator.

Discover the latest versions of Red Hat Software Collections and Red Hat Developer Toolset. Enjoy an efficient and consistent developer experience.

Profile your Java apps in production on Red Hat OpenShift with Cryostat | DevNation Tech Talk

Red Hat Enterprise Linux 8.5 is here! This release has OpenJDK 17, .NET 6, rootless overlay support in Podman, enhanced application streams, and more.

Use Cryostat 2.0, a container-native JVM application, to automate JDK Flight Recorder. Read all five articles in this Red Hat Developer series for more details.

Learn how Quarkus enables test-driven development (TDD) with built-in continuous testing, where tests run immediately after code changes are saved.

Learn how to improve performance when developing reactive Java applications using the Red Hat build of Quarkus 2.2 and RESTEasy Reactive features.

Improve Java application performance by choosing the best garbage collector for your application's throughput, latency, and footprint requirements.

Learn how to create custom JMX connectors in Cryostat 2.0, then use your new custom URL to monitor a containerized Java application on Red Hat OpenShift.

Get the rundown of the best articles published by Red Hat Developer in October 2021. Read highlights of the new Red Hat OpenShift developer console and more.

Read this practical step-by-step user guide to find out how to configure and set up Java applications based on Quarkus, and use Cryostat 2.0 on OpenShift.

Be more productive with the new VS Code Java 1.0 | DevNation Tech Talk

Discover the major plus points of the Red Hat build of Quarkus 2.2, including simplified processes, upgrades, tools, and enhanced developer productivity.

Get a step-by-step guide to using Helm charts for Red Hat JBoss Enterprise Application Platform to build a bootable JAR with enterprise capabilities.

Red Hat Developer showcases workflows that make developing Java applications in Visual Studio Code fun. Explore VS Code for Java extension 1.0 in this guide.

Learn a simpler way to deploy a Java application to Red Hat OpenShift using Helm charts, then connect the application to a PostgreSQL database.

Learn about new features of Cryostat 2.0, including starting tips, example use cases and highlights such as automated rules and custom targets.

Learn why Quarkus is great for Kubernetes-native Java applications, including a faster and more efficient development process, and compare Quarkas and Spring.