Excited for #JCON EUROPE 2026? See Andres Almiray at #JCON2026 in Cologne talking about 'Lights, Camera, #GitHub Actions!'
It's been said that #automating oneself out of a job is one of the best #qualities of a #software engineer. When it…
🎟️ 2026.europe.jcon.one/tickets
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Everyone welcome Panama JUG to our #JCON family! Happy to have you on board!
For #JUG members, we offer free #JavaUserGroup tickets, first come, first serve!
#JCON2026 #JAVAPRO #Java
Free JUG ticket: pretix.eu/impuls/eur...
Become a partner JUG: jcon.koeln/#partner
Excited for #JCON EUROPE 2026? See Florian Habermann at #JCON2026 in Cologne talking about 'Building Powerful GenAI Apps with Pure #Java'
Previously, developing #GenAI apps required an external vector #database, which caused a significant …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Christian Kuemmel at #JCON2026 in Cologne talking about '#Caching and Beyond - #Smarter Data Processing with #Java'
Nearly all companies complain about #slow #database applications, excessive database ...
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Excited for #JCON EUROPE 2026? See Johannes Bechberger at #JCON2026 in Cologne talking about 'Guess the #Java Version'
In this interactive #quiz, we'll look through Java snippets from Java 1.0 to Java 25 and try to guess the version...
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Tamari Gogebashvili at #JCON2026 in Cologne talking about 'From a #Workshop to a Wake-Up Call: My #Journey into Accessibility'
It all started with a #training session on #accessibility. What began as a …
🎟️ 2026.europe.jcon.one/tickets
Free for #JUG members
Everyone welcome Rhein JUG to our #JCON family! Happy to have you on board!
For #JUG members, we offer free #JavaUserGroup tickets, first come, first serve!
#JCON2026 #JAVAPRO #Java
Free JUG ticket: pretix.eu/impuls/eur...
Become a partner JUG: jcon.koeln/#partner
Excited for #JCON EUROPE 2026? See Fabian Bormann at #JCON2026 in Cologne talking about 'Building a #Digital Product Passport with #Java and #Cardano'
#Blockchain #technology is widely known for its applications in decentralized …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Johann Strauss & Markus Kett at #JCON2026 in Cologne talking about 'Scaling #Data in a Sovereign AI Platform'
In this joint #keynote #Dell AI Factory and Cyrock.AI show how to #build a sovereign AI …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Bruno Borges & Sandra Ahlgrimm at #JCON2026 in Cologne giving a #workshop about 'Modernizing #Java Applications with #AI Assisted Workflows'
Modernizing Java applications often means juggling #upgrades, …
🎟️ 2026.europe.jcon.one/tickets
Free for #JUG members
Excited for #JCON EUROPE 2026? See Mary Grygleski at #JCON2026 in Cologne talking about 'Demystifying AI Agents'
#AI Agents are the thing for 2025, they say. What are these Agents? How do they work and where can they be used? In this HOL …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Bruno Souza at #JCON2026 in Cologne talking about 'The Reputation Formula: #Turbocharge Your #Developer Career'
#Reputation is what people believe about you. And it is your reputation that defines the …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Dominika Tasarz at #JCON2026 in Cologne talking about 'The JUG-gle is Real: What #Java User Groups Can Teach Us About Growing #OpenSource Communities'
Open source #communities don’t grow by #magic - they …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Leif Åstrand at #JCON2026 in Cologne talking about '#Reactive Web Apps With 100% #Java'
Full-stack #development can be intimidating, especially when going beyond the typical #CRUD. A reactive application …
🎟️ 2026.europe.jcon.one/tickets
Free for #JUG members
Excited for #JCON EUROPE 2026? See Buhake Sindi at #JCON2026 in Cologne talking about 'AI in #Java: We've Built a Server-Side Enterprise #Google Agent2Agent for #Jakarta EE Developers.'
#AI agent #development is now more prominent in …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Ingo Düppe at #JCON2026 in Cologne talking about 'Inside Agentic AI: #DeepDive into Modern Orchestration #Frameworks'
Agentic #AI is reshaping how we design and structure modern software systems — from …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Sharat Chander at #JCON2026 in Cologne talking about 'Java: To #Infinity and Beyond'
As #Java celebrates 30 years of ongoing #innovation, the next 30 years and beyond look even #brighter. To take into …
🎟️ 2026.europe.jcon.one...
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Excited for #JCON EUROPE 2026? See Sharat Chander at #JCON2026 in Cologne talking about 'Expand Your #Java Connections'
Java continues to offer a modern #language and platform that addresses #modern application use-cases. But the #heartbeat …
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Excited for #JCON EUROPE 2026? See Steve Poole at #JCON2026 in Cologne talking about 'curl | bash | hacked: The Unseen Dangers in Your #Dev #Lifecycle'
curl | bash. That one-liner doesn’t just install a #tool; it can hand over control of …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Brian Vermeer at #JCON2026 in Cologne talking about 'Don't Get Burned! Secure #Coding Essentials to #Protect Your Application'
As a #developer, you understand the importance of writing #code that …
🎟️ 2026.europe.jcon.one/tickets
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👕 For the Ladies of the Java community!
We found a small stash of #JCON shirts from previous years:
✨ 30 Years of #Java (90s retro design)
⚡ JCON 2023 Javas Star Wars theme
Only women’s cut left (black, blue volunteer, grey speaker).
🛒 20€ net – when it's gone, it's gone!
#Community #Merch
Tonight's final task: Outfit Check for #JCON
If you want the #JCON2026 shirt for Apr 20–23 in #Cologne, you should order now!
We #PrintOnDemand and therefore, can't guarantee that late orders will be at the venue for pickup.
Since we don't ship, you might order now!
2026.europe.jcon.one...
Excited for #JCON EUROPE 2026? See Alexandre Gallice at #JCON2026 in Cologne talking about '#AI driven Unstructured Data Extraction Using #Apache #Camel and #LangChain4J'
A big chunk of the #data generated today is unstructured and it's …
🎟️ 2026.europe.jcon.one/tickets
Free for #JUG members
#Hallway track uniform for Apr 20–23 in Cologne: comfy shoes + #JCON2026 shirt😉
Print queues will start soon—late orders might not get their stuff. #PrintOnDemand
You might get yourself one while you still can.
2026.europe.jcon.one...
#JCON #Java #Conference
Excited for #JCON EUROPE 2026? See Cristian Schuszter at #JCON2026 in Cologne giving a #workshop about 'Maintaining #Legacy Applications Using #AI Tooling'
This session will be focusing on building a #working knowledge of available AI …
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Excited for #JCON EUROPE 2026? See Michal Broz & Don Bourne at #JCON2026 in Cologne giving a #workshop about 'Think #AI is Only for #Python? Think Again. A Hands-On #Java AI Workshop That Will Change Your Mind!'
Are you ready to #revolutionize
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Grace Robinson & Michal Broz at #JCON2026 in Cologne talking about 'Zero Migration #Java - Staying Current Without #Breaking Your App'
Keeping enterprise Java applications #secure and #uptodate is #critical …
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Excited for #JCON EUROPE 2026? See Adam Bien at #JCON2026 in Cologne talking about '#Livecoding: Creating Beautiful #Java #Code With LLM and Agents'
Java's radical openness created the perfect #LLM training ground: open specifications, …
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Excited for #JCON EUROPE 2026? See Markus Eisele at #JCON2026 in Cologne talking about 'Chasing the Main Thread - Adventures in #AI Assisted #Coding'
This talk takes you behind the scenes of a daily #creative experiment: writing and …
🎟️ 2026.europe.jcon.one/tickets
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Excited for #JCON EUROPE 2026? See Wei Hu at #JCON2026 in Cologne talking about 'Modern #Microservices for Enterprise #AI: Patterns, Pitfalls, and Practices'
AI is quickly becoming a must-have for #businesses that want to stay ahead …
🎟️ 2026.europe.jcon.one/tickets
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