Java

Explore the JVM options used to control how the JVM uses memory in your Java applications, including monitoring for memory leaks and out-of-memory errors.

Don't miss a thing! Here's a roundup of new articles, tutorials, cheat sheets, and more published last month on Red Hat Developer.

Java can be clunky and slow. Learn how to optimize Java for today’s compute and runtime demands with Quarkus—a Kubernetes-native platform.

Discover the many benefits of using Quarkas to develop microservices, including scalability for cloud-based applications, and compare Quarkas against Spring.

Deploy Kafka Streams and Quarkus to replay games and improve gaming products with captured telemetry data.

Learn why Ansible should be your go-to tool for fully automated JBoss Web Server deployments on Red Hat Enterprise Linux. This tutorial gets you started.

Learn the basics of Java garbage collection. This article covers memory management, stages of garbage collection, and how to monitor garbage collection.

Do you want a way to add tooling to containerized deployments without building a new container image? Try composable software catalogs on Kubernetes.

Learn about native images and read updates about JDK Flight Recorder (JFR) support for GraalVM Native Image, including benefits, challenges, and future plans.

Explore Hibernate runtime provider updates and other improvements in JBoss Tools 4.19.1 and Red Hat CodeReady Studio 12.19.1 for Eclipse 4.19 (2021-03).

Explore new features in Red Hat JBoss Enterprise Application Platform 7.4, including enhancements for security, management, and developer productivity.

Discover new features, functionality, and bug fixes in fabric8 Kubernetes client version 5.5.0, including those that focus on dynamic clients and informers.

Use Red Hat JBoss Enterprise Application Platform, JBoss EAP XP, and Galleon to optimize your Jakarta EE microservices application for cloud distribution.

Discover ways to improve developer and operational productivity with new Quarkus 2.0 features like fast RESTEasy Reactive and new Developer UI in this overview.

Prepare your Jakarta EE application for being used in a distributed architecture by introducing MicroProfile health checks, metrics, tracing, and more.

Understand the differences between Apache ActiveMQ and Apache Artemis, and the changes to make when moving between the two brokers to prevent lost messages.

Transition your legacy Java EE 8 application to Jakarta EE, which sets the stage for deploying the application in a cloud-ready microservices architecture.

Use Jakarta EE and MicroProfile to integrate a legacy Java application with other applications in a microservices architecture on Red Hat OpenShift.

Automate business rules using the Kogito engine. Learn how to implement the engine with the Drools Rule Language (DRL) utilizing examples of rule units.

Learn how HotSpot's multi-tiered execution system uses the interpreter, quick compiler, and optimizing compiler to help enhance Java's performance in OpenJDK.

No matter where you are in your software development career, from just starting, to re-training, to expert-level but needing a brush-up, the Red Hat Developer program can help with tutorials and learning.

Know your app: Add metrics to Java with Micrometer | DevNation Tech Talk

Implement Drouge IoT-based firmware that communicates with Quarkus apps via LoRaWAN. This protocol enables cloud communication with a lower use of power.

Learn how to implement employee duty rostering via Red Hat Business Optimizer. This Decision Manager component optimizes planning and solves schedule problems.

Discover which runtime languages, web servers, and databases are included in Red Hat Software Collections 3.7, as well as new updates to Developer Toolset 10.1.