All things Java

Create Java applications for anything and everything with Red Hat’s runtimes and frameworks.

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What is Java?

Java is a powerful, general-purpose language widely used in microservices, event-driven systems, APIs, and other popular application design patterns. Red Hat is a leader in the Java community with contributions to Java projects like OpenJDK, Jakarta Enterprise Edition (JakartaEE), Microprofile, GraalVM, and many more.

Red Hat offers a variety of Java runtimes and frameworks that enable developers to build applications for any purpose, with supporting technologies to run them at any scale and in any environment.

Explore Java with us

Red Hat is a leader in open source Java, with significant contributions to OpenJDK, Jakarta EE, Quarkus, Kubernetes, Hibernate, Camel, GraalVM, and more.

Java microservices 

Develop and deploy scalable, autonomous applications using microservices architecture and frameworks.

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Kubernetes-native Java

Create supersonic, subatomic Java applications custom-built for Kubernetes with a frictionless development experience.

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Serverless Java

Use Java to create resource-efficient functions that let you scale to zero and back again without provisioning or managing infrastructure.

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Event-driven Java

Develop real-time microservices and cloud-native applications with events and streams.

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Build APIs with Java

Explore Java’s provides a rich set of API frameworks and libraries, both aimed at code-first and contract-first development strategies.

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Modernize for the cloud

Replatform, rehost, and refactor your Java applications to ensure they are future-ready and run anywhere.

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Do more with Java

Java on OpenShift

Develop Java applications for the hybrid cloud with Quarkus on OpenShift.

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Java on Red Hat Enterprise Linux

Build secure apps on a secure platform.

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DevOps

Cloud deployments with Kubernetes and DevOps.

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Ansible automation

Management at the push of a button, wherever you need it.

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Java in containers

Create reusable, lightweight Java applications with containers.

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Java on the edge

Lightweight, fast Java apps for edge networks.

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DevSecOps

Automated, modernized application security using familiar DevOps principles.

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Continuous monitoring for Java

JDK Flight Recorder (JFR) for Java workloads on Red Hat OpenShift using Cryostat.

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Application runtimes and frameworks

Application runtimes and frameworks give you the flexibility to build your application with the right runtime, framework, language, and architectural style, on Linux and in containers.

Red Hat build of OpenJDK

The Red Hat build of OpenJDK is an open source implementation of the Java Platform, Standard Edition (Java SE).

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Red Hat support of Spring Boot

Spring Boot gives you the runtimes you need to make Spring-based applications. 

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Red Hat JBoss Enterprise Application Platform

Application platform for hosting apps with modular, cloud-ready architecture, powerful management, automation, and world-class developer productivity. 

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Red Hat build of Quarkus

Develop and deploy Java on Kubernetes with minimal memory footprint, fast boot times, and rapid scaling.

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Eclipse Temurin

High-quality, TCK-certified runtimes and associated technology for use across the Java ecosystem.

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Red Hat JBoss Web Server

A web server that combines market-leading open source technologies with enterprise capabilities to provide a single solution for large-scale websites and lightweight Java web applications. 

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Red Hat Runtimes

Use Red Hat Runtimes to build traditional, containerized, and cloud applications for Red Hat Enterprise Linux (RHEL), OpenShift, and the network edge.

Java on RHEL

Develop secure applications on the most popular enterprise-grade platform, complete with enterprise support.

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Java on OpenShift

Build and deploy Java applications more easily on the hybrid cloud with Red Hat OpenShift.

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Java in containers

Create reusable, lightweight Java applications that can run on any environment using containers.

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Java on the edge

Optimize your Java applications to run on infrastructure closer to source and reduce latency.

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Core Java

Red Hat contributes to key working groups and components of the Java ecosystem. Developers can utilize these contributions to build applications that run on any environment reliably with an optimized footprint.

Eclipse Adoptium

Red Hat is a founding strategic member of the Adoptium Working Group to promote and support high-quality, TCK-certified runtimes and associated technology. Red Hat is also the second largest contributor to OpenJDK.

 Explore OpenJDK

Explore

Cryostat

Java Flight recorder (JFR) for securely recording Java events from your containerized applications. Start, stop, and dump recordings for further analysis with triggers on Kubernetes.

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Explore

Reliable garbage collection in JDK 17

Red Hat developed and has been contributing to the Shenandoah garbage collector since 2013. Shenandoah GC implements concurrent heap evacuation, which cleans heaps without stopping the application.

Visit us on GitHub

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Traditional Java

Red Hat leads and contributes to many widely used Java projects, specifications, frameworks, and libraries.

Jakarta EE

Red Hat is one of the largest contributors to the Java EE specification. Red Hat helped orchestrate the transition to the Eclipse foundation to evolve the platform for meeting the needs of modern workloads.

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Hibernate

Red Hat developed and maintains the Hibernate framework for mapping an object-oriented domain model to a relational database.

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WildFly

Red Hat developed and maintains the open source WildFly (JBoss EAP) app server project supported on various platforms.

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Spring Boot

Red Hat offers support and maintenance cycles for major versions of Spring Boot, including support for Spring applications on OpenShift.

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Kubernetes-native Java

Kubernetes-native Java frameworks let you easily integrate Kubernetes technologies so you can adapt to cloud-native environments and scale faster. Red Hat has been a crucial contributor to Java for the past 25+ years and continues to lead by being a driving force for the future to cloud-native and beyond.

Quarkus: Supersonic, subatomic Java | DevNation Tech Talk
MicroProfile - Microservices with Java EE | DevNation Tech Talk
Java and Containers: What's there to think about? | DevNation Tech Talk

Java tooling

Red Hat is committed to providing Java developers with the tools they need to build applications faster and more efficiently.

Developer tools for Java

Quarkus tools for integrated development environments (IDEs)

Language support for Java
Latest Java articles

Latest Java articles

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Latest Java e-books

Latest Java e-books

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Latest Java learning paths

Latest Java learning paths

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Do you want to learn more about Quarkus?

Unlock the power of Quarkus with our comprehensive learning resources. Dive into a curated collection of hands-on interactive tutorials and learning paths focused on Quarkus.
 

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