All things Java
Create Java applications for anything and everything with Red Hat’s runtimes and frameworks.
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.
Kubernetes-native Java
Create supersonic, subatomic Java applications custom-built for Kubernetes with a frictionless development experience.
Serverless Java
Use Java to create resource-efficient functions that let you scale to zero and back again without provisioning or managing infrastructure.
Event-driven Java
Develop real-time microservices and cloud-native applications with events and streams.
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.
Modernize for the cloud
Replatform, rehost, and refactor your Java applications to ensure they are future-ready and run anywhere.
Do more with Java
Java on OpenShift
Develop Java applications for the hybrid cloud with Quarkus on OpenShift.
Java in containers
Create reusable, lightweight Java applications with containers.
Java on Red Hat Enterprise Linux
Build secure apps on a secure platform.
Java on the edge
Lightweight, fast Java apps for edge networks.
DevOps
Cloud deployments with Kubernetes and DevOps.
DevSecOps
Automated, modernized application security using familiar DevOps principles.
Java articles and tutorials
Article
03/07/2023
Overhauling memory tuning in OpenJDK containers updates
Learn about the next updates to the UBI of the Red Hat build of OpenJDK containers, such as memory tuning overhaul.
Article
01/24/2023
How to generate code using Fabric8 Kubernetes Client
Learn how to generate code using tools provided by Fabric8 Kubernetes Client, including Fabric8 CRD Generator and Fabric8 Java Generator. (Part 4 of 5
Article
01/24/2023
How to write tests with Fabric8 Kubernetes Client
Learn how to effectively write tests for Kubernetes applications in Java using Fabric8 Kubernetes Mock Server and Fabric8 Kubernetes JUnit Jupiter
Article
01/11/2023
Fine-grained authorization for Quarkus microservices
Quarkus has support for Relationship-Based Access Control (ReBAC) to implement permissions robustly in microservices.