JavaOne

Tickets for JavaOne 2027 go on sale on November 3! Need to justify your #JavaOne ticket to your manager? Customize this email with your estimated costs and how you'll share learnings. Send your request in now to allow time for budget and travel approval:

RT @ammbra1508: 📢 Just a few days before JavaOne 2027 CFP closes! Build an interesting Java product? Solved a tricky problem? Learned something the hard way? Then share it with the JDK experts and the wider #Java community 💁‍♀️ We’d love to learn from you ❣️

RT @BillyKorando: 🚨 The Call for Papers to JavaOne 2027 is closing soon! Got a Java story, a hard-earned lesson, or a cool demo to share? Don't wait, submit your proposal now! 📬 👉

In this #JavaOne presentation, Venkat Subramaniam discusses object-oriented paradigm, data-oriented programming, when to use each one of these, and how to intermix them in your applications.

Call for papers for JavaOne closes soon! Send in your proposal ASAP and tell us about the ideas, experiences, and insights you want to bring to #JavaOne 2027.

In this #JavaOne 2026 talk, Ron Pressler explores why the JDK’s garbage collectors work the way they do and how Java memory management affects application performance.

Want to share your Java expertise with the #JavaOne community? Submit your proposal and tell us about the ideas, experiences, and insights you want to bring to JavaOne.

#JavaOne is coming back in 2027! 🥳 Save the date, mark your calendars, and get ready to join the Java community for three days of technical sessions, hands-on labs, and insights from the experts shaping Java. Details:

Explore a brief history of ZGC, Its internal mechanisms, and future development plans in this #JavaOne session.

In this #JavaOne session replay, you'll get a look at new and upcoming Java features that improve the convenience, reliability, and performance of immutable data, including records, value classes and objects, the lazy constants AP, and more.

In this #JavaOne talk, learn about many recent changes to the Java programming language and look ahead to directions and features that are in development and will appear in future editions.

This #JavaOne session shows how to use JFR to build self-improving applications with AI and new JDK features.

Learn how Netflix used Project Leyden to improve startup time of critical services and the software and SDLC we built to make that happen. #JavaOne

Java never stands still. ⚡ This #JavaOne session with Nicolai Parlog looked at the most important changes between Java 21 and 25 before taking a closer look at Java 26.

This #JavaOne talk breaks down how Java applications can layer internal, distributed, and semantic caches.

RT @java: In 1995, a small team of engineers unveiled a new programming language designed for flexibility, portability, and robustness. That language was Java. And three decades later, it remains one of the most influential technologies in the software world. Thank you for helping us celebrate #30YearsOfJava this past year. We look forward to many, many more years of pushing the boundaries of innovation and the pursuit of developer excellence. ❤️

JDK 25 is the first release that includes the FFM API and has broad long-term support. Learn how this allows us to avoid the previously slow, brittle, and complex process of using JNI and ByteBuffers in this #JavaOne talk.

This #JavaOne session highlights the progress of JEP 528, which brings core dump and minidump support to jcmd. Watch now for a deep dive into the future of JVM crash analysis and post-mortem diagnostics.

What's the state of structured concurrency and Project Babylon? How is Java being developed and what role does AI play in that process? You brought the questions. The architects had the answers. Check out our "Ask the Architects" session from #JavaOne.

📚 Students representing 22 different universities 🌎 Over 30 countries 👥 Over 25 user groups 🏆 Over 30 Java Champions Thank you to everyone who helped make #JavaOne 2026 a success. ❤️