Join the world’s premier developer conference in Redwood Shores, CA March 17–19, 2026

Catch highlights from Tuesday's keynote at Code One, featuring groundbreaking coders and iconic developers. #CodeOne
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Day two of #CodeOne brought keynotes from some of the industry's brightest minds, interactive experiences, and so much more. Join us next year to get in on the innovation!
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More changes happened in #Java in the last year than in the past 10 years combined. Catch up on highlights from yesterday's #CodeOne keynote: ora.cl/hA7fu
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WATCH NOW: Live from Oracle Code One, peek into the future of Java with keynote speakers Mark Reinhold and Georges Saab. #CodeOne nitter.app/i/broadcasts/1vOxwVdln…
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Four jam-packed days of groundbreaking demos, networking, and all the best the dev community has to offer. Catch up on what you missed at #CodeOne 2018—we hope to see you next year!
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Replay the #JavaOne Monday keynote highlights and catch what's coming next for the Java ecosystem.
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Live from Oracle Code One - hear from today’s groundbreaking coders, leaders, and iconic developers. #CodeOne #CodeOne2018 nitter.app/i/broadcasts/1yoJMVPnP…
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#JavaOne is back! Join us March 17-20, 2025 in the heart of Silicon Valley at Oracle’s campus in Redwood Shores for the opportunity to interact with Oracle’s @Java experts and industry luminaries. Learn more: social.ora.cl/6019kSVjV
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Big applauds for Java EE being fully open with Eclipse Foundation
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Get ready to celebrate 30 years of #Java at #JavaOne—coming March 18-20 at our Redwood Shores campus! 🥳 Get more details about what you can expect: social.ora.cl/6015qPwD9
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The CFP is going to open next week! #Java #Javaone
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All the 2014 #JavaOne sessions are now available online for free bit.ly/1HVlE0E
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Duke is here and ready for #JavaOne! 🎉 Be sure to snap a pic with Duke and share it with us. 📸
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It’s time to #BreakNewGround! We’re so excited to welcome the community to #SF and kick off #CodeOne 2019. Keep an eye on this handle for more updates from the conference.
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🌎 45 Countries represented ☕ 900 Cups of specialty coffee served 🏎️ 300 Oracle Red Bull Racing Simulator laps 📸 20,600 Stickers Thank you to everyone who attended #JavaOne 2025 and helped make it a HUGE success! Until next time. ✌️
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JavaOne 2017 will be back at Moscone !!! It is Official #JavaOne #Java oracle.com/javaone/
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To everyone who helped make this week a huge success, we'd just like to say: Thank you. 🤗 And yes - #JavaOne is back! 😎
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✔️ Java ✔️ Duke ✔️ The Null Pointers What do they all have in common? They all rock, and can be found at #JavaOne right now!
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Recognizing the first ever #CodeOne Stars
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#spotify became a Java shop because of scalability
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Getting ready to start another day at #JavaOne! ☀️ ☕ What are you looking forward to in day 2?
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JavaOne Call for Paper is now open! Submit by April 23 #JavaOne #Java reg.rainfocus.com/flow/oracl…
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Duke's got some sweet treats for you. 🧁 Be sure to check out Duke's Meals to recharge this afternoon! #JavaOne
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Java 9 will be released with NetBeans. Early access available today on NetBeans.org
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It's the final day of #JavaOne! Don't miss this morning's keynote and your last chance to snap a picture with Duke. 📸
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You can listen to replays of recorded sessions from #JavaOne @java community.oracle.com/docs/DO…
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Learn about what the #Java Community is up to in an hiilarious community keynote!!! #javaone2017 piped.video/L1BNeRGhl34
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Packed hall waiting for this morning's #JavaOne keynote. 🗣️ What was your favorite part? What sessions are you looking forward to today? 👇
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The call for presentations is now open for #CodeOne 2019 in San Francisco, happening Sept 15-19. If you are a developer with awesome content to share, now is the time! Topics range from Core Java Platform to Cloud Native. See more at bit.ly/2tubcKD
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❗️Hey #Developers, We’re still here, and have a brand new name, Oracle Code One! Stay tuned for updates!
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Just a quick note from the content committee (@steveonjava and @geraldvenzl). We are doing rolling acceptances, so congrats on folks who received acceptances today and we have more coming so hang tight!
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Didn’t make it to #JavaOne this year? Watch all the #Java Keynotes live starting on Monday 2:00 pm PST developer.oracle.com/videos
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A BIG thanks to our #JavaOne platinum sponsor, @Microsoft, for helping make this year's event a massive success. 🎉
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Come develop your future. Attend our brand new developer conference in San Francisco, Oracle #CodeOne. bit.ly/2mvu5t3
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Ending our final #JavaOne keynote with all of our participants on stage together. What an amazing group here representing the @Java community! 🥹
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Processors have changed. A demo of Valhalla in @java by @mreinhold. @OracleDevs - check out on the live stream!
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The #JavaOne session catalog is now live! #Java bit.ly/2u303Bt
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Ready to be a part of Oracle Code One 2020? Submit a proposal to be a speaker at #oraclecodeone Las Vegas. Don't wait -- deadline is April 2! bit.ly/38tdjA8
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What an ice way to cap off day 2 of #JavaOne. 🧊
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"One day of learning here is like a month of learning online.” #JavaOne is the place to be.
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#JavaOne 2014 #Session Videos are now available for free! bit.ly/1Mdmrf6 #Java
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Missed the keynote? Here's the full video on Demand. #javaone #keynote #javaone2015 @java oracle.com/javaone/on-demand…
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One can say that @mono_quito89 got the ball rolling during the #JavaOne keynote. 🙌
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Introducing Oracle Code One's new home — Moscone South! Join us for all things Code One. bit.ly/2Kk9l5i #OracleCodeOne @OracleDevs
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Memory issues in Java applications can be challenging to diagnose. 🩺 This #JavaOne talk explores common and obscure memory problems, from Java heap exhaustion and metaspace overflows to native memory leaks. social.ora.cl/6013NYz9t
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Celebrating innovations that use Java technology. Congratulations to the 2016 Duke’s Choice Award Winners! #oow16 #javaone
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Just a glimpse of the energy from #JavaOne this week! See you next year!
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Registration for #JavaOne 2025 is now open! Register before February 10 and receive $100 off the standard $699 registration price. Secure your spot today: social.ora.cl/6012QnurC
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It's been 5 years since the last #JavaOne. What's happened in that time? 🤔 @chadarimura shares the latest in today's keynote.
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🌎Ready for the most inclusive #developer conference on the planet? Share with us your favorite session from #CodeOne using the hashtag #ShowUsYourCode. Presenting at the conference? Let the world know. Let's #code the future together: ora.cl/wp2J7
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#JavaOne 2014 #sessions and #tutorials recordings available online ow.ly/DpOA0
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#Java24#JavaOne We've got a big week ahead, and you don't want to miss any of it! Check out our schedule of livestreams so you can stay up to date on all the latest news and festivities. social.ora.cl/60110OEOD
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Don't forget your free bag this year at JavaOne #shwag #JavaOne
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Selfies rock! And so does Duke. 🤘 Snag a pic with Duke at our selfie station and share it using #JavaOne.
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Go to the Developer Lounge tomorrow to experience cutting-edge examples of Java technologies #JavaOne oracle.com/javaone/developer…
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Are you ready for the most inclusive #developer conference on the planet? Don't let time run out, register today for #OracleCodeOne and save $400—but hurry up, the discount ends August 11: ora.cl/WC7r1
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Duke’s Choice Award program is now open for nominations through Aug 31st #Java #JavaOne go.oracle.com/LP=17706
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Superheroes, blockchain beer + so much more made for an epic Day 3 of #CodeOne. What's been your fav part so far?
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Didn’t make it to #JavaOne this year? Watch all the #Java Keynotes live starting on Monday 2:00 pm PST developer.oracle.com/videos
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Mobile power. Explore how applications created with #Java9 can be turned into native Android and iOS apps. #JavaOne bit.ly/2u303Bt
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Thanks once again for an incredible #CodeOne, and we can't wait to see you all next year as we continue to #BreakNewGround.
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Two Days Left! Submit your abstracts for Code One before May 10! Code One includes all the #JavaOne tracks. oracle.com/code-one #JavaOne #Java #CodeOne
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. @venkat_s hosts 6 sessions covering #Java 9 REPL, refactoring Java 8, and more! #JavaOne oracle.com/javaone/speakers.…
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Hey #developers, we have some exciting news: we've launched the Schedule Builder tool so it's time to customize your schedules for #CodeOne: ora.cl/8Et21
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JavaFX comes with cool features such as FXML, CSS, and an Animation API Discover more of its benefits at #JavaOne bit.ly/2u303Bt
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Java Community process was one of the great inventions. 20 years later 9 million developers & 13 billion devices snpy.tv/1MkQ27j
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JavaServer Faces 2.3 is the standard #UI framework for #JavaEE8 Hear about the new features of JSF at #JavaOne bit.ly/2u303Bt
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Oracle Code One event will include the all the content from JavaOne The new website: oracle.com/code-one Dates: Oct. 22 to 25, 2018 #Java #JavaOne
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We’re kicking off #JavaOne today with robots and #JavaOne4Kids. #Java #codingforkids
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**Deadline Extension** Submit your proposal for #JavaOne 2017 by May 1st here reg.rainfocus.com/flow/oracl…
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Lines of code can generate art, like we see with @rectangleworld’s HTML 5 Canvas creation. Be sure to join us at #CodeOne on 10/22 for more dev beauty. Claim your free Discover pass for total access to keynotes + events. bit.ly/2RgQVCF
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Exciting news: Registration is open for #JavaOne 2017! Join us in San Francisco October 1-5, 2017. bit.ly/1HyP9kx
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Thanks to everyone for helping us kick off #CodeOne 2018. It was an amazing first day, and we can't wait to see what the rest of the week holds!
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Not 1, not 2, but 3 bands. Announcing your CloudFest.18 performers: @Beck, @PortugaltheMan, and @BleachersMusic: bit.ly/2NIEG2X
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Cheers to the Duke Choice Awards winners and another great day at #JavaOne #OOW17
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Creating a module system to address needs, is a long-term investment in the platform! #javaone @java #JavaOne2015 snpy.tv/1LvH6bA
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Be sure to stop by and share your experience on our #JavaOne wall—where we'll be asking the Java community a new question each day.
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Game on community keynote #codeone thanks to the participants!
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Huge discount! Attend #JavaOne for only $999. Use code DJFS2017. Offer ends Saturday! Terms apply. bit.ly/2vbO56z
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Harness the full power of JVM through Ceylon, Clojure, Groovy, JavaScript, JRuby, Kotlin, and Scala. #JavaOne oracle.com/javaone/index.htm…
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Get ready for JavaOne: Download the app by searching for “JavaOne San Francisco” or “JavaOne 17”
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Still time to submit to #JavaOne Developer Community Day and JavaOne for Kids tracks #java reg.rainfocus.com/flow/oracl…
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There are many new features to delve into in #JavaEE8 Come to #JavaOne to hear an overview on the platform bit.ly/2u303Bt
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Not in SF this wk? We're livestreaming the best of #CodeOne. Today, catch "The Future of Java." developer.oracle.com/codeone
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Your New T-Shirt at JavaOne! bit.ly/1pepZm7
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Free #Java knowledge here! Brush up on anything you might have missed last year and get ready for #JavaOne 2016 piped.video/playlist?list=PL…
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We're excited to join the @Java community at #JavaOne in October in Las Vegas! That's why we're offering a special code to help you save on your pass. Use the code below today to start saving. #OCW social.ora.cl/6013MD0Ub
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Java Developers re-enacting The Matrix for last year’s community keynote. Head to our site for more conference highlights + get psyched for #CodeOne 2018. bit.ly/2OgKthu
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We continue to invest in the #Java community to ensure it's one of the strongest developer ecosystems. In this #JavaOne keynote, our team discusses the many Java community programs from Oracle that give #developers a voice in shaping the future of Java. social.ora.cl/6014MUxso
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The JavaOne4Kids call for proposals is now open! Be part of the next generation of #Java! oracle.com/javaone/javaone4k…
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We’re livestreaming our keynotes all week, so you can catch the best of #CodeOne, wherever you are. Today, tune in to catch @sagarwal on Next-Gen Cloud Native Apps + more. developer.oracle.com/codeone
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.@jetbrains developer + conference vet @trisha_gee on how to rock your #CodeOne experience. We’re pumped to have experts like her speaking to our community. bit.ly/2MZogin
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It’s a bird, it’s a plane, it’s...a developer! At #CodeOne, we’re in the business of celebrating modern superheroes: the coders and developers designing solutions for a better tomorrow. bit.ly/2CokNrU
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#CodeOne has personalized tracks for the developer community and more—so you can spend less time learning about tech you don’t use, and focus on advancing in your field. bit.ly/2RmM3Mo
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Learn how you can join & contribute to the growth of the largest technology community in the world. #JavaOne #Java oracle.com/javaone/index.htm…
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JDK 9 early access builds available for testing today #JavaOneBR keynote
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