Started a new series exploring building #ai applications with #java #quarkus #langchain4j #vaadin and #pgvector .

https://www.datenschauer.de/ai-engineering-in-java-with-langchain4j-quarkus-and-vaadin/

From Text to POJO: Extracting Structured Data with Quarkus, Langchain4j, and Local LLMs
Learn how to turn messy text into clean Java objects using Quarkus, Langchain4j, and Ollama. No APIs, no cloud, just pure local LLM power!
https://myfear.substack.com/p/structured-data-llm-quarkus-langchain4j
#Quarkus #Java #AIML #LangChain4j #Ollama

Real-Time Java AI: Building a Context-Aware Chatbot with Quarkus, Qute, and WebSockets https://myfear.substack.com/p/java-ai-chatbot-quarkus-langchain4j-websockets
#Java #Quarkus #LangChain4j #Ollama #WebSockets

Connecting to a Model Context Protocol (MCP) Server from Java using LangChain4j - Marc Nuri https://blog.marcnuri.com/connecting-to-mcp-server-with-langchain4j
#Java #mcp #langchain4j

Just published: "Building an AI Assistant in Java"

A hands-on guide to building a stateless AI chatbot with #Java, #Helidon & #LangChain4J.

Preparing and ingesting Asciidoc docs
Stateless backend with AI Summarizer
Serving static web pages

https://dmitrykornilov.net/2025/05/16/building-ai-assistant-application-in-java/

Release 1.0.0 and 1.0.0-beta5 #langchain4j
https://github.com/langchain4j/langchain4j/releases/tag/1.0.0
#Java #aiml

Break time at #JCON2025 – time to warm up for the next sessions!

11:30 – Lize Raes & Brian Vermeer tackle LLM security risks. Lize´s #JAVAPRO article preps you with hands-on #LangChain4j tips https://javapro.io/2025/04/23/build-ai-apps-and-agents-in-java/

12:55 – Merlin Bögershausen on cleaning up legacy Java with #OpenRewrite https://javapro.io/2025/05/13/jump-20-years-of-java-with-migration-engineering/

Read now – chat better later!

Break time at #JCON2025! Curious about what’s coming next?

Warm up with some #JAVAPRO background reading from today’s speakers:
Loic Magnette (12:30) https://javapro.io/2025/04/15/ai-powered-form-wizards-chat-click-done/
Gaurav Gupta (13:30) https://javapro.io/2025/04/24/ai-tools-for-jakarta-ee/
Jonathan Vila (14:30) https://javapro.io/2025/04/29/top-security-flaws-injections/

Insight now, questions later!

Build a Sentiment Analysis API in Java with Quarkus and Local LLMs
No cloud. No API keys. Learn how to classify text sentiment using Quarkus, Langchain4j, and Ollama.
https://myfear.substack.com/p/sentiment-analysis-java-quarkus-langchain4j-local-llm
#Java #LangChain4j #Ollama

At #JCON2025, Loïc Magnette dives into #AI-powered form wizards: chat, click, done — all with #Quarkus + #LangChain4j. Curious how he tames full-stack complexity with Quarkus? His #JAVAPRO article connects the dots.

Read: https://javapro.io/2025/05/06/bridging-the-gap-full-stack-development-without-the-headaches/

From Strings to Semantics: Comparing Text with Java, Quarkus, and Embeddings
Learn how to build an AI-powered text similarity service using Quarkus, LangChain4j, and local embedding models.
https://myfear.substack.com/p/java-quarkus-text-embeddings-similarity
#Java #Quarkus #Embeddings #Ollama #LangChain4j

Building #LLM-powered apps? Watch out: prompt injection, key leaks & data misuse are waiting. At #JCON2025, Lize Raes & Brian Vermeer share how to secure your #AI systems. Curious?

Start early with Lize´s #JAVAPRO article: https://javapro.io/2025/04/23/build-ai-apps-and-agents-in-java-hands-on-with-langchain4j/

Want to add #AI superpowers to your Spring apps? At #JCON2025, Timo Salm & Sandra Ahlgrimm dive into frameworks like #SpringAI and #LangChain4j that make it easy.

Curious? Then read Timo’s #JAVAPRO article on this talk in advance: https://javapro.io/2025/04/22/building-ai-driven-applications-with-spring-ai/

Vibe coding an #MCP server in #Java with #micronaut, #langchain4j and #Gemini

https://glaforge.dev/posts/2025/05/02/vibe-coding-an-mcp-server-with-micronaut-and-gemini/

Build a #chatbot that can take your #coffee order!

On May 12, Marta Tolosa & Sydney Nurse (both specialists at #Oracle) will guide a hands-on #AI workshop:
Build with #Helidon & #LangChain4J
Deploy a working #Java-based assistant

Just €19: https://2025.europe.jcon.one/tickets
#WorkshopDay #GenAI #JCON2025

Last year, I started to dig a bit around #LangChain4J. It’s a fast-growing project, and I wanted to get familiar with the updates. I also wanted to check how to integrate a #ModelContextProtocol server in LangChain4J.

#MCP

https://blog.frankel.ch/langchain4j-musings-six-months-after/

Excited for #JCON EUROPE 2025? See Marta Tolosa & Sydney Nurse at #JCON2025 in Cologne talking about 'Build an AI-Powered Application with #Helidon and #LangChain4J'

In this #workshop, you will build an #AI powered chat assistant for a #coffee shop using …

Get your free #JUG Ticket: www.jcon.one

Still think Java isn’t cool enough for AI? #LangChain4j begs to differ. Multimodal models, tool-calling agents, and RAG – all in pure #Java. @lizeraes takes you on a wild, hands-on tour. Are you ready to build smart?

Dive in her article about the JCON session: https://javapro.io/2025/04/23/build-ai-apps-and-agents-in-java-hands-on-with-langchain4j/

Securing the Future of AI: Authorization for Java RAG Systems using LangChain4j and OpenFGA https://javapro.io/2025/04/14/securing-the-future-of-ai-authorization-for-java-rag-systems-using-langchain4j-and-openfga
#Java #aiml #langchain4j

MCP Client and Server with the Java MCP SDK and LangChain4j https://glaforge.dev/posts/2025/04/04/mcp-client-and-server-with-java-mcp-sdk-and-langchain4j/
#Java #langchain4j #gemini