Java Community Conferences - in-person. linktr.ee/jcon_conference Imprint, privacy policy: jcon.one

Cinedom, Cologne, Germany
The date for #JCON EUROPE 2027 is locked! During #JCON2026 we already teased a “Save the Date” Now we can share the official dates of #JCON2027: 📅 April 26–29, 2027 📍 #Cinedom Cologne, Germany Ticket sales will start later this year. Mark your calendars & don't forget to follow for updates!
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Warum für immer mehr SaaS-Funktionen zahlen, die man gar nicht braucht? @SvenRuppert hinterfragt ClickUp & entwirft mit #KI eine eigene Anwendung auf Basis von @vaadin. Wem gehören Daten, Code & Workflow? Lies jetzt: javapro.io/de/von-clickup-zu… #Java #Vaadin #Datenhoheit #JAVAPRO
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JCON retweeted
30% OFF or FREE? Your #JCON2027 ticket is waiting & the shop is open! Grab your Blind Ticket with 30% off or find out how to attend for FREE as part of the #Java community. Get your ticket: 🇬🇧 javapro.io/2026/10/21/jcon-e… 🇩🇪 javapro.io/de/jcon-europe-20… #JavaCommunity #JAVAPRO #JUG
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JCON retweeted
20 minutes to build a feature with #AI. A week to fix the damage. @sogldaniel explores why vibe coding can create technical debt & how Spec Driven Development changes the workflow. Read the analysis: javapro.io/2026/10/21/spec-d… #VibeCoding #SoftwareDevelopment #SDD @github @RedHat
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Some of the most useful sessions at #JCON2027 have no slides. At the Mentorship Hub with @brjavaman speakers bring a topic and you discuss it at a table in a small group. Or bring your own problem. 🎟️ Blind tickets, 30% off: 2027.europe.jcon.one/tickets #JCON #Java
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What separates companies experimenting with AI from those building AI-native businesses? Lokesh Chenta argues it's not just better tools—it's coding agents, enterprise search, workflow automation, #MCP & an AI-first culture: javapro.io/2026/08/25/enterp… #GenAI #AgenticAI @AnthropicAI
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#Java or #Kotlin: Which language helps you write safer code? @ArghRich compares null safety, thread safety, injection risks & type-safe builders. Where does Kotlin have the edge? Read the comparison: javapro.io/2026/10/20/kotlin… #JVM #Security #OWASP #JSpecity #ThreadSafety #JAVAPRO
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📢The #JCON2027 #CallForPapers is extended until Oct 30, 2026! Want to speak on Europe's biggest #Java stages? Discover the benefits for speakers & submit your talk. 🇬🇧 EN: javapro.io/2026/10/19/jcon20… 🇩🇪 DE: javapro.io/de/jcon2027-cfp-v… #JVM #AI #CFP #CoreJava #Frameworks #JAVAPRO #JUG
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The #IBMTechXchange 2026 starts next Monday in Atlanta and #JCONUSA26 is bringing the #Java #community with it. Java sessions. Hands-on learning. Community. Plenty of conversations in between. See you there? 👉 2026.usa.jcon.one
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Erst absichern, dann ins Internet! Bei @SvenRuppert läuft eine @vaadin-Anwendung als WAR auf #Jetty – verwaltet durch #SystemD & ausschließlich über 127.0.0.1 erreichbar. So funktioniert das #Deployment ohne Docker javapro.io/de/vaadin-deploym… #Java #Hetzner #Vaadin @Hetzner_Online
Made with AI
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A huge technical #conference doesn’t have to mean losing the #community feeling. At the #IBMTechXchange 2026, #JCONUSA26 gives #Java people a clear home base, two rooms full of Java content & plenty of opportunities to meet, learn and talk code together. 📅 Oct 26–29 👉 2026.usa.jcon.one
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First of all: Thank You ❤️ We’ve received many great submissions for #JCON2027 & really appreciate everyone who submitted. We’ve also heard from several of you asking for a little more time. So… you’re getting it! 😉 🎬 Our #CFP is officially extended to October 30 ➡️ sessionize.com/jcon-europe-2…
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// TODO: Submit #JCON talk You’ve postponed that #TODO long enough! The #JCON2027 Call for Papers closes in a few hours. One #lastchance to take the screen. ➡️ sessionize.com/jcon-europe-2… #CFP #Java #Conference
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🎬 FINAL CALL. Today is the last day to #submit your session for #JCON EUROPE 2027. A lesson. A deep dive. A demo. A workshop. A story the #Java community can learn from. Don’t leave it sitting in your drafts. ➡️ sessionize.com/jcon-europe-2… #CFP #JCON2027 #Conference
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AI-generated code passes tests. But is it secure? @ArturSkowronski examines what #AI coding benchmarks miss: security flaws, code quality & real-world #Java performance. See what the scores don't tell you:javapro.io/2026/10/15/llms-f… #AI #SonarQube #Brokk #JetBrains @SonarSource
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The #JCON2026 keynote with @MarkusKett & Johann Strauss pairs with Gerald Kammerer’s article on scaling #AI with #VectorSearch, #EclipseDataGrid & #Kubernetes. Watch & read: javapro.io/2026/04/08/high-p… Also in #JAVAPRO PDF: javapro.io/2026/04/27/04-202… @EclipseStoreIO #GenAI #LLM #Java
Our next #JCON2026 keynote is live: 'Scaling Data in a Sovereign #AI Platform' by Johann Strauss & @markuskett In this joint #keynote #Dell AI Factory and @Cyrock_AI show how to build a sovereign AI platform that turns AI strategy into… Grab your coffee and hit play: piped.video/MRSdUfnXgQE
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Your encrypted data could be stolen today & decrypted years from now. Sebastian Hempel explains the “harvest now, decrypt later” threat & why #PostQuantumCryptography can't wait for them to arrive. Find out how to prepare: javapro.io/2026/10/14/pqc-it… #Java #Security @Cloudflare
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Not “coming soon.” Not “there’s still plenty of time.” Tomorrow. 😅 The #JCON2027 Call for Papers closes October 16. If you’ve been planning to #submit this is the moment. ➡️ sessionize.com/jcon-europe-2… #CFP #Java #Conference #JCON
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Our track record, in T-shirts: Star Wars, Lord of the Rings, the 90s, Tron. The #JCON2027 shirt? You can order it now, before we build the design. That's a #blindshirt 👕 2027.europe.jcon.one/tickets #JCON #Java #Conference
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A great #conference day doesn’t end when the slides do. At #JCONUSA26 the #Community Hub is where you can keep the conversation going: meet speakers, #Java Champions, #JUG leaders, developers and architects and ask the question that didn’t fit into the session. 👉 2026.usa.jcon.one #IBMTechXchange
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Swapping an ML model shouldn't require weeks of refactoring. If changing a model breaks your business logic, your architecture—not your AI—is the problem. Nikita Golovko shows how #HexagonalArchitecture keeps #SpringBoot ML systems maintainable. Read: javapro.io/2026/08/19/hexago…
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