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LangChain4j and Java’s AI Renaissance: What Architects Need to Know
Leverage LLMs, multimodal models, and agentic workflows without leaving the JVM
Sep 1
•
Markus Eisele
6
Negotiating with AI Managers: Build a Role‑Playing Simulator Using Quarkus and Langchain4j
A hands‑on guide for Java developers to create an AI‑powered negotiation training app with a local LLM and a clean frontend.
Aug 21
•
Markus Eisele
1
From CRUD to Co‑Pilots: Will Java Standards Own or Miss the AI‑Infusion Race?
Thoughts grouped around a simple Quarkus‑powered AI debugging assistant. Why Java’s scale, standards, and reliability make it the perfect platform for…
Aug 17
•
Markus Eisele
2
The New Attack Surface: Why AI Is Your Infrastructure Now
AI models are no longer features. They’re infrastructure. Here’s how to defend them like it.
Aug 17
•
Markus Eisele
Architecting Multi-Agent AI Systems in Java with Quarkus and Langchain4j
How to orchestrate scalable AI workflows using message-driven agents and local LLMs with Kafka
Jul 30
•
Markus Eisele
4
Build Your First AI Agent in Java: Quarkus, Langchain4j, and the A2A SDK
How to create a summarizing agent that speaks the A2A protocol and harnesses local or cloud LLMs
Jul 27
•
Markus Eisele
3
Captain’s Log, Stardate Java: Building a Quarkus-Powered AI Sci-Fi App with Langchain4j and Ollama
Use the power of local LLMs, Quarkus magic, and Langchain4j tool calling to generate dynamic, weekday-aware space captain logs without cloud APIs.
Jul 26
•
Markus Eisele
Tracing the Mind of Your AI: Java Observability with Quarkus and LangChain4j
Instrument, trace, and monitor your AI-powered Java apps using local LLMs, Ollama, and OpenTelemetry with zero boilerplate
Jul 25
•
Markus Eisele
1
Smart Local AI Routing in Java: Build a Hybrid LLM Gateway with Quarkus and Ollama
Use LangChain4j, semantic embeddings, and Quarkus to route prompts to the best local LLM for coding, summarization, or chat without sending data to the…
Jul 23
•
Markus Eisele
Teaching Your Java App DNS: AI-Driven Lookups with Quarkus and LangChain4j
Build a smart DNS assistant using Quarkus, LangChain4j, and a local LLM.
Jul 22
•
Markus Eisele
1
2
Mastering AI Tool-Calling with Java: Build Your Own Dungeon Master with Quarkus and LangChain4j
Turn a local LLM into a dice-rolling, decision-making RPG game master. Powered by Java, Quarkus, and the magic of LangChain4j.
Jul 21
•
Markus Eisele
4
Groan-Worthy Greatness: Build an AI Dad Joke Generator with Java, Quarkus, and Langchain4j
Learn how to wire up local LLMs with @RegisterAiService and bring some humor (and hands-on AI skills) to your Quarkus apps.
Jul 20
•
Markus Eisele
2
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