JavaOne is back!
Join us in Las Vegas from October 17–20 to explore a wide range of Java technical and community topics that address modern application development and ecosystem participation.

Register before August 14 to save $200
From aviation to aerospace, finance to banking, retail to social, and across many more industries, Java helps power the world around us. Continual Java innovation by Oracle allows you to address the application challenges of today and the opportunities of the future. Keynotes, labs, and sessions at JavaOne will showcase Java’s value in addressing modern application development challenges and strengthen your Java skills.
Hear why Paul Sandoz from Oracle’s Java Platform Group is excited for JavaOne.
Level up your Java knowledge
At JavaOne, you’ll attend sessions and interact with a community spanning the breadth and depth of Java technology.
Core Java Platform
Explore innovation fundamental to the Java platform, including the latest developments in Java virtual machines, Java language evolution, new library features, and more.
Java and cloud development
Learn to build cloud native Java applications, microservices, and other containerized workloads deployed to cloud, hybrid, and multicloud environments, including Oracle Cloud Infrastructure.App development tools and DevOps
Dive into frameworks, IDEs, DevOps, app testing tools, and other developer technologies—such as GraalVM, WebLogic, Helidon, Verrazzano, Kubernetes, Micronaut, and much more.
Security and managability
Check out security best practices, tools, and solutions for managing Java applications such as JDK Flight Recorder, JDK Mission Control, and Java Management Service.AI and machine learning
Java is well positioned to address AI and machine learning. Join experts showcasing initiatives from Oracle Labs (such as Tribuo) and other machine learning libraries that complement Java.Java community
Explore Java ecosystem-specific topics focusing on collaboration, career, and community-building initiatives.Featured sessions
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Learning session
Data-Oriented Programming with Records, Sealed Classes, Text Blocks, and More
Alan Bateman and Brian Goetz | Oracle
See a demonstration of how the latest features of Java—records, sealed classes, text blocks, and pattern matching—simplify programs that operate primarily on data.
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Learning session
Project Panama: Say Goodbye to Java Native Interface
Maurizio Cimadamore | Oracle
Discover how Project Panama APIs and tools work together to provide a safe, modern, and efficient way to access foreign memory and code from Java.
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Learning session
Project Loom: Modern Scalable Concurrency for the Java Platform
Alan Bateman and Ron Pressler | Oracle
Learn how Project Loom aims to reinstate the thread as an efficient unit of concurrency by adding a lightweight implementation of threads to the Java platform.
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Learning session
Accelerating Microservice Productivity with Java, GraalVM, and Micronaut
Graeme Rocher | Oracle
Learn how to get the most out of Java and GraalVM when building cloud native applications. Follow along as Micronaut cofounder and Oracle Labs architect Graeme Rocher shows you how.
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Learning session
Functional Programming Idioms in Java
Venkat Subramaniam | Agile Developer, Inc. and Java Champion
Many developers and organizations are immersed in Java’s functional programming capabilities. Learn some of the dos and don’ts to keep in mind when programming in this style.
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Learning session
Twelve Tips for Writing More Readable Java Code
Jeanne Boyarsky | Code Ranch and Java Champion
Whether you’re a student or an experienced developer, you’ll learn tips and techniques for writing clearer code that’s easy for your coworkers and future self to read and understand.
View the full descriptionof twelve tips for writing more readable Java code
Become a JavaOne sponsor
This is where new connections are made and relationships are strengthened. Sponsorship includes opportunities to gain focused exposure, share unique solutions, and inspire the JavaOne community. Interested in learning more? Fill out our request form. Our team will be in contact soon.
Experience the Java Unconference
Don’t miss your opportunity to participate in the revival of the highly acclaimed Java Unconference. You’ll vote on a selection of exciting Java topics. Then, you’ll participate in a collaborative discussion on the winning topic with recognized Java luminaries from all around the world. Make your voice heard and meet some of the brightest minds in the Java community. Stay tuned for date and time details.
Start planning for CloudWorld
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Passes and pricing
Don’t wait to register! Discover how you can save with early or group registration.
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Travel and hotels
Check out details for traveling to Las Vegas, booking hotels, and getting around.
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FAQs
Our extensive FAQs answer the most-asked questions—and provide contact details for support.
August 14 is the last day to get our best price and save $200.