Caution: German content incoming!
Join me on 12. Nov. at 18:00 in #Weiden with the #JUG #Oberpfalz
rabauer.dev/meetup
#Java #AI #Meetup #SpringAI #LangChain4J #DeveloperCommunity #CodingEvent
Join me on 12. Nov. at 18:00 in #Weiden with the #JUG #Oberpfalz
rabauer.dev/meetup
#Java #AI #Meetup #SpringAI #LangChain4J #DeveloperCommunity #CodingEvent
November 8, 2025 at 6:46 PM
Caution: German content incoming!
Join me on 12. Nov. at 18:00 in #Weiden with the #JUG #Oberpfalz
rabauer.dev/meetup
#Java #AI #Meetup #SpringAI #LangChain4J #DeveloperCommunity #CodingEvent
Join me on 12. Nov. at 18:00 in #Weiden with the #JUG #Oberpfalz
rabauer.dev/meetup
#Java #AI #Meetup #SpringAI #LangChain4J #DeveloperCommunity #CodingEvent
🎥 Watch the replay → youtube.com/live/cY2anCL...
📦 Code → github.com/JohannesRaba...
#AI #LangChain4j #Quarkus #Ollama #pgvector #LocalAI #LiveCoding
📦 Code → github.com/JohannesRaba...
#AI #LangChain4j #Quarkus #Ollama #pgvector #LocalAI #LiveCoding
Quanta Live: Building Local AI Search with pgvector & LangChain4j - Part 2
Building Quanta (Part 2) – Vector Search with Quarkus, pgvector & OllamaIn this session, we’re diving deep into the brains of Quanta — the part that makes it...
youtube.com
November 3, 2025 at 9:15 AM
🎥 Watch the replay → youtube.com/live/cY2anCL...
📦 Code → github.com/JohannesRaba...
#AI #LangChain4j #Quarkus #Ollama #pgvector #LocalAI #LiveCoding
📦 Code → github.com/JohannesRaba...
#AI #LangChain4j #Quarkus #Ollama #pgvector #LocalAI #LiveCoding
In this session we:
🧩 Extracted text with Apache Tika
🧠 Created embeddings using Ollama (LLaMA 3.2)
💾 Stored them in PostgreSQL with pgvector
🔍 Queried files semantically with Quarkus and LangChain4j
And it works beautifully.
🧩 Extracted text with Apache Tika
🧠 Created embeddings using Ollama (LLaMA 3.2)
💾 Stored them in PostgreSQL with pgvector
🔍 Queried files semantically with Quarkus and LangChain4j
And it works beautifully.
November 3, 2025 at 9:15 AM
In this session we:
🧩 Extracted text with Apache Tika
🧠 Created embeddings using Ollama (LLaMA 3.2)
💾 Stored them in PostgreSQL with pgvector
🔍 Queried files semantically with Quarkus and LangChain4j
And it works beautifully.
🧩 Extracted text with Apache Tika
🧠 Created embeddings using Ollama (LLaMA 3.2)
💾 Stored them in PostgreSQL with pgvector
🔍 Queried files semantically with Quarkus and LangChain4j
And it works beautifully.
Securing the Future of AI: Authorization for Java RAG Systems using LangChain4j and OpenFGA buff.ly/oTkSna7
#Java #aiml #langchain4j
#Java #aiml #langchain4j
Securing the Future of AI: Authorization for Java RAG Systems using LangChain4j and OpenFGA - JAVAPRO International
Learn how to implement fine-grained authorization in Java RAG systems using LangChain4j and OpenFGA to secure your AI applications.
buff.ly
November 3, 2025 at 6:08 AM
Securing the Future of AI: Authorization for Java RAG Systems using LangChain4j and OpenFGA buff.ly/oTkSna7
#Java #aiml #langchain4j
#Java #aiml #langchain4j
🚀 Next JUG Oberpfalz Meetup: We’re excited to welcome Johannes Rabauer to #JUGOberpfalz for a unique live-coding battle between Spring + Spring AI and Quarkus + LangChain4J. No slides – just clean code, directly compared, open source!
🔗 Register here (free): www.meetup.com/jug-o...
🔗 Register here (free): www.meetup.com/jug-o...
October 29, 2025 at 7:51 AM
🚀 Next JUG Oberpfalz Meetup: We’re excited to welcome Johannes Rabauer to #JUGOberpfalz for a unique live-coding battle between Spring + Spring AI and Quarkus + LangChain4J. No slides – just clean code, directly compared, open source!
🔗 Register here (free): www.meetup.com/jug-o...
🔗 Register here (free): www.meetup.com/jug-o...
☕️🤖 New Java & AI for Beginners series: concise intros to RAG, MCP, LangChain4j, Azure services, and container options—designed for working Java devs.
Blog: devblogs.microsoft.com/java/java-an...
Playlist: aka.ms/java-ai-begi...
#Java #AI #Beginners #DevTools #OpenSource
Blog: devblogs.microsoft.com/java/java-an...
Playlist: aka.ms/java-ai-begi...
#Java #AI #Beginners #DevTools #OpenSource
Java and AI for Beginners: a practical video series for Java - Microsoft for Java Developers
Learn core GenAI concepts for Java: RAG, MCP, LangChain4j, Azure integrations, and containers. Start with short, practical videos.
devblogs.microsoft.com
October 28, 2025 at 7:46 PM
☕️🤖 New Java & AI for Beginners series: concise intros to RAG, MCP, LangChain4j, Azure services, and container options—designed for working Java devs.
Blog: devblogs.microsoft.com/java/java-an...
Playlist: aka.ms/java-ai-begi...
#Java #AI #Beginners #DevTools #OpenSource
Blog: devblogs.microsoft.com/java/java-an...
Playlist: aka.ms/java-ai-begi...
#Java #AI #Beginners #DevTools #OpenSource
Earlier this month our speakers Willem Jan Glerum & Radek Kargul ran a workshop at Devoxx Belgium: secure AI agents with Quarkus + LangChain4j. Late slot but strong turnout, and Keynote wrapped the week on a high note. #DevoxxBE #Quarkus #LangChain4j #AI @wjglerum.nl @rkargul.bsky.social @devoxx.com
October 27, 2025 at 12:48 PM
Earlier this month our speakers Willem Jan Glerum & Radek Kargul ran a workshop at Devoxx Belgium: secure AI agents with Quarkus + LangChain4j. Late slot but strong turnout, and Keynote wrapped the week on a high note. #DevoxxBE #Quarkus #LangChain4j #AI @wjglerum.nl @rkargul.bsky.social @devoxx.com
🧠 Think you know Quarkus?
Test yourself with 100 essential interview questions — from build-time magic to AI integrations.
Read the full guide →
buff.ly/2EGx5OX
#Java #Quarkus #LangChain4j #DevJobs #CloudNative
Test yourself with 100 essential interview questions — from build-time magic to AI integrations.
Read the full guide →
buff.ly/2EGx5OX
#Java #Quarkus #LangChain4j #DevJobs #CloudNative
October 26, 2025 at 7:15 AM
🧠 Think you know Quarkus?
Test yourself with 100 essential interview questions — from build-time magic to AI integrations.
Read the full guide →
buff.ly/2EGx5OX
#Java #Quarkus #LangChain4j #DevJobs #CloudNative
Test yourself with 100 essential interview questions — from build-time magic to AI integrations.
Read the full guide →
buff.ly/2EGx5OX
#Java #Quarkus #LangChain4j #DevJobs #CloudNative
[some-subscribed-rss] New Post: Creating a Javelit chat interface for LangChain4j, by https://glaforge.dev/posts/2025/10/25/creating-a-javelit-chat-interface-for-langchain4j/
October 25, 2025 at 5:05 PM
[some-subscribed-rss] New Post: Creating a Javelit chat interface for LangChain4j, by https://glaforge.dev/posts/2025/10/25/creating-a-javelit-chat-interface-for-langchain4j/
Ayé, Javelit + LangChain4j :
glaforge.dev/posts/2025/1...
glaforge.dev/posts/2025/1...
Creating a Javelit chat interface for LangChain4j
Yesterday, I uncovered the Javelit project in this
article
where I built a small frontend to create and edit images
with Google’s Nano Banana image model.
Javelit is an open source project inspired b...
glaforge.dev
October 25, 2025 at 4:28 PM
Ayé, Javelit + LangChain4j :
glaforge.dev/posts/2025/1...
glaforge.dev/posts/2025/1...
Call for Speakers for #JCONEUROPE2026 is open on Sessionize and I've just submitted a session about a #JARVIS like #SmartHome assistant using #Langchain4J and #JakartaEE on #RaspberryPi! #JCONEUROPE #JCON2026 https://sessionize.com/jcon-europe-2026/
October 24, 2025 at 9:32 PM
Call for Speakers for #JCONEUROPE2026 is open on Sessionize and I've just submitted a session about a #JARVIS like #SmartHome assistant using #Langchain4J and #JakartaEE on #RaspberryPi! #JCONEUROPE #JCON2026 https://sessionize.com/jcon-europe-2026/
🚀 BLOG | Les agents IA débarquent sur Java/Kotlin !
Comparatif #LangChain4j, #SpringAI, #Embabel & #Koog : la JVM est production-ready pour l'agentic AI.
Type safety, perf et intégration métier native 💪
👉 blog.liksi.io/2025/10/10/l...
#AI #Java #Kotlin #blog #agenticai
Comparatif #LangChain4j, #SpringAI, #Embabel & #Koog : la JVM est production-ready pour l'agentic AI.
Type safety, perf et intégration métier native 💪
👉 blog.liksi.io/2025/10/10/l...
#AI #Java #Kotlin #blog #agenticai
L'agentic AI au-delà de Python : le réveil de l'écosystème JVM | Liksi - Tech & Innovation
Découvrez comment construire des agents IA avec Java et Kotlin grâce aux frameworks LangChain4j, Spring AI, Embabel et Koog. Comparaison détaillée et exemples concrets.
blog.liksi.io
October 22, 2025 at 7:25 AM
🚀 BLOG | Les agents IA débarquent sur Java/Kotlin !
Comparatif #LangChain4j, #SpringAI, #Embabel & #Koog : la JVM est production-ready pour l'agentic AI.
Type safety, perf et intégration métier native 💪
👉 blog.liksi.io/2025/10/10/l...
#AI #Java #Kotlin #blog #agenticai
Comparatif #LangChain4j, #SpringAI, #Embabel & #Koog : la JVM est production-ready pour l'agentic AI.
Type safety, perf et intégration métier native 💪
👉 blog.liksi.io/2025/10/10/l...
#AI #Java #Kotlin #blog #agenticai
Bored at my hotel waiting for my @langchain4j.dev talk to start... so I've submitted a PR
github.com/langchain4j/...
github.com/langchain4j/...
Initializing the guardrails module by agoncal · Pull Request #3928 · langchain4j/langchain4j
Issue
Creates a new module that will gather all the out-of-the-box guardrails as discussed in #3248
Change
Added a new Maven module langchain4j-guardrail (I did not use the plural langchain4j-guar...
github.com
October 21, 2025 at 4:05 PM
Bored at my hotel waiting for my @langchain4j.dev talk to start... so I've submitted a PR
github.com/langchain4j/...
github.com/langchain4j/...
Turn your LLM pipeline into a transparent, step-by-step experience that shows retrieval, prompt creation, and model calls in real time. Powered by Quarkus, LangChain4j, and Granite4 on Ollama.
www.the-main-thread.com/p/quarkus-la...
www.the-main-thread.com/p/quarkus-la...
October 21, 2025 at 7:15 AM
Turn your LLM pipeline into a transparent, step-by-step experience that shows retrieval, prompt creation, and model calls in real time. Powered by Quarkus, LangChain4j, and Granite4 on Ollama.
www.the-main-thread.com/p/quarkus-la...
www.the-main-thread.com/p/quarkus-la...
Ever wished you could see what your AI is doing?
Our latest hands-on shows how to build a real-time progress tracker for LLM pipelines using Quarkus, LangChain4j, Ollama & Granite 4.
⚡ Transparent steps.
⚡ Modern UI.
⚡ Complete runnable code.
Read here 👉 buff.ly/fnm61pX
Our latest hands-on shows how to build a real-time progress tracker for LLM pipelines using Quarkus, LangChain4j, Ollama & Granite 4.
⚡ Transparent steps.
⚡ Modern UI.
⚡ Complete runnable code.
Read here 👉 buff.ly/fnm61pX
October 21, 2025 at 6:15 AM
Ever wished you could see what your AI is doing?
Our latest hands-on shows how to build a real-time progress tracker for LLM pipelines using Quarkus, LangChain4j, Ollama & Granite 4.
⚡ Transparent steps.
⚡ Modern UI.
⚡ Complete runnable code.
Read here 👉 buff.ly/fnm61pX
Our latest hands-on shows how to build a real-time progress tracker for LLM pipelines using Quarkus, LangChain4j, Ollama & Granite 4.
⚡ Transparent steps.
⚡ Modern UI.
⚡ Complete runnable code.
Read here 👉 buff.ly/fnm61pX
Building Intelligent Document Processing with Apache Camel: Docling meets LangChain4j
https://camel.apache.org/blog/2025/10/camel-docling/
#ai #llm #genai
https://camel.apache.org/blog/2025/10/camel-docling/
#ai #llm #genai
Building Intelligent Document Processing with Apache Camel: Docling meets LangChain4j
Summary: Building intelligent document processing pipelines with Docling, LangChain4j, and Camel YAML DSL
camel.apache.org
October 20, 2025 at 9:00 PM
Building Intelligent Document Processing with Apache Camel: Docling meets LangChain4j
https://camel.apache.org/blog/2025/10/camel-docling/
#ai #llm #genai
https://camel.apache.org/blog/2025/10/camel-docling/
#ai #llm #genai
⚡ From LLM Orchestration to Autonomous Agents - a Hands-on Lab with Mario Fusco & @kevindubois.com (IBM).
Forge intelligence worthy of the gods ⚙️
Build agentic AI with LangChain4j & Quarkus.
👉 www.jfokus.se
#Jfokus #DeveloperConference #AI #LLM #Agents #Java #LangChain4j #Quarkus #IBM
Forge intelligence worthy of the gods ⚙️
Build agentic AI with LangChain4j & Quarkus.
👉 www.jfokus.se
#Jfokus #DeveloperConference #AI #LLM #Agents #Java #LangChain4j #Quarkus #IBM
October 20, 2025 at 10:14 AM
⚡ From LLM Orchestration to Autonomous Agents - a Hands-on Lab with Mario Fusco & @kevindubois.com (IBM).
Forge intelligence worthy of the gods ⚙️
Build agentic AI with LangChain4j & Quarkus.
👉 www.jfokus.se
#Jfokus #DeveloperConference #AI #LLM #Agents #Java #LangChain4j #Quarkus #IBM
Forge intelligence worthy of the gods ⚙️
Build agentic AI with LangChain4j & Quarkus.
👉 www.jfokus.se
#Jfokus #DeveloperConference #AI #LLM #Agents #Java #LangChain4j #Quarkus #IBM
Using LangChain4j to Make Your Java Apps Smarter
http://hollycummins.com/langchain4j-ljc-ai/
#ai #llm #genai
http://hollycummins.com/langchain4j-ljc-ai/
#ai #llm #genai
Using LangChain4j to Make Your Java Apps Smarter
Summary: LangChain4j enables Java apps to leverage LLMs with type-safe mapping, stateful context, agents, RAG, guard rails, and fault tolerance.
hollycummins.com
October 20, 2025 at 9:01 AM
Using LangChain4j to Make Your Java Apps Smarter
http://hollycummins.com/langchain4j-ljc-ai/
#ai #llm #genai
http://hollycummins.com/langchain4j-ljc-ai/
#ai #llm #genai
Touring Java User Groups with an "Build an AI-Infused Chat Bot with LangChain4j" talk:
🇫🇷 21 Oct - Toulouse JUG
🇫🇷 25 Nov - Brest JUG
🇫🇷 26 Nov - Nantes JUG
🇫🇷 04 Dec - Strasbourg JUG
🇫🇷 08 Dec - Bordeaux JUG
🇫🇷 14 Jan - Normandy JUG
🇧🇪 21 Jan - Brussels JUG
www.linkedin.com/pulse/java-u...
🇫🇷 21 Oct - Toulouse JUG
🇫🇷 25 Nov - Brest JUG
🇫🇷 26 Nov - Nantes JUG
🇫🇷 04 Dec - Strasbourg JUG
🇫🇷 08 Dec - Bordeaux JUG
🇫🇷 14 Jan - Normandy JUG
🇧🇪 21 Jan - Brussels JUG
www.linkedin.com/pulse/java-u...
Java User Group Tour with LangChain4j
After speaking at a couple of JUGs in Portugal, I'm hitting the road again! I'm announcing a Java User Group Tour across France (and Belgium). I'll be sharing hands-on lessons on building production-r...
www.linkedin.com
October 20, 2025 at 8:11 AM
Touring Java User Groups with an "Build an AI-Infused Chat Bot with LangChain4j" talk:
🇫🇷 21 Oct - Toulouse JUG
🇫🇷 25 Nov - Brest JUG
🇫🇷 26 Nov - Nantes JUG
🇫🇷 04 Dec - Strasbourg JUG
🇫🇷 08 Dec - Bordeaux JUG
🇫🇷 14 Jan - Normandy JUG
🇧🇪 21 Jan - Brussels JUG
www.linkedin.com/pulse/java-u...
🇫🇷 21 Oct - Toulouse JUG
🇫🇷 25 Nov - Brest JUG
🇫🇷 26 Nov - Nantes JUG
🇫🇷 04 Dec - Strasbourg JUG
🇫🇷 08 Dec - Bordeaux JUG
🇫🇷 14 Jan - Normandy JUG
🇧🇪 21 Jan - Brussels JUG
www.linkedin.com/pulse/java-u...
Sample prompts:
1. "Show me all AI-related talks at JDD."
2. "Arrange the lecture path at JDD, focusing mainly on software architecture."
3. "When the afterparty starts?"
4. "What is the best time to have a quick chat about Spring AI and LangChain4j at JDD?"
1. "Show me all AI-related talks at JDD."
2. "Arrange the lecture path at JDD, focusing mainly on software architecture."
3. "When the afterparty starts?"
4. "What is the best time to have a quick chat about Spring AI and LangChain4j at JDD?"
October 18, 2025 at 12:06 PM
Sample prompts:
1. "Show me all AI-related talks at JDD."
2. "Arrange the lecture path at JDD, focusing mainly on software architecture."
3. "When the afterparty starts?"
4. "What is the best time to have a quick chat about Spring AI and LangChain4j at JDD?"
1. "Show me all AI-related talks at JDD."
2. "Arrange the lecture path at JDD, focusing mainly on software architecture."
3. "When the afterparty starts?"
4. "What is the best time to have a quick chat about Spring AI and LangChain4j at JDD?"
JDD starts next week! I'm super excited to be speaking about integrating GenAI into JVM-based systems using Spring AI and LangChain4j. To give you a sneak peek of what we'll cover and make JDD even more AI-friendly, I've created an unofficial JDD MCP Server 👇👇👇
October 18, 2025 at 12:06 PM
JDD starts next week! I'm super excited to be speaking about integrating GenAI into JVM-based systems using Spring AI and LangChain4j. To give you a sneak peek of what we'll cover and make JDD even more AI-friendly, I've created an unofficial JDD MCP Server 👇👇👇
Going live in 5 minutes! 🎬
@cat-edelveis.bsky.social vs @rabauer.bsky.social:
Spring Boot + Spring AI 🆚 Quarkus + LangChain4J
Grab your popcorn and see which stack makes building AI apps smoother: www.youtube.com/watch?v=rBxc...
@cat-edelveis.bsky.social vs @rabauer.bsky.social:
Spring Boot + Spring AI 🆚 Quarkus + LangChain4J
Grab your popcorn and see which stack makes building AI apps smoother: www.youtube.com/watch?v=rBxc...
Spring AI vs LangChain4J: The Live Coding Duel
YouTube video by CyberJAR
www.youtube.com
October 16, 2025 at 2:57 PM
Going live in 5 minutes! 🎬
@cat-edelveis.bsky.social vs @rabauer.bsky.social:
Spring Boot + Spring AI 🆚 Quarkus + LangChain4J
Grab your popcorn and see which stack makes building AI apps smoother: www.youtube.com/watch?v=rBxc...
@cat-edelveis.bsky.social vs @rabauer.bsky.social:
Spring Boot + Spring AI 🆚 Quarkus + LangChain4J
Grab your popcorn and see which stack makes building AI apps smoother: www.youtube.com/watch?v=rBxc...
@lizeraes.bsky.social presenting @langchain4j.dev at @baselone.bsky.social . And yes if you were wondering, the conference room is indeed a bar 😀. (I'm still waiting for the bartender to arrive though 😂).
Next I'll show how #Quarkus makes #LangChain4j even easier and adds production grade features
Next I'll show how #Quarkus makes #LangChain4j even easier and adds production grade features
October 16, 2025 at 8:37 AM
@lizeraes.bsky.social presenting @langchain4j.dev at @baselone.bsky.social . And yes if you were wondering, the conference room is indeed a bar 😀. (I'm still waiting for the bartender to arrive though 😂).
Next I'll show how #Quarkus makes #LangChain4j even easier and adds production grade features
Next I'll show how #Quarkus makes #LangChain4j even easier and adds production grade features
Looking forward to read this. I suspect some of these agents already run natively on GPUs via GPULlama3.java and Langchain4J: www.youtube.com/watch?v=PO6w...
October 15, 2025 at 6:12 PM
Looking forward to read this. I suspect some of these agents already run natively on GPUs via GPULlama3.java and Langchain4J: www.youtube.com/watch?v=PO6w...