LangChain4J

Building a Real-Time AI Progress Tracker with Quarkus, LangChain4j, Ollama, and Granite 4

Turn your LLM pipeline into a transparent, step-by-step experience that shows retrieval, prompt creation, and model calls in real time. Powered by…

Oct 21 •

Securing LLM Responses in Java: Guardrails with Quarkus and LangChain4j

Learn how to protect your AI applications from prompt injection, unsafe outputs, and risky prompts with practical guardrail patterns in Quarkus.

Oct 12 •

Building a Museum App with Quarkus, LangChain4j, and MCP

How Java developers can combine vision AI, real-time context, and modern Quarkus features to create privacy-aware, engaging applications.

Oct 9 •

Building an AI-Powered PDF Processing Pipeline with Quarkus, Camel, and LangChain4j

Securely scan, extract, and summarize documents using ClamAV, Camel routes, and local LLMs with Ollama.

Oct 7 •

From GO-BPMN to Agentic AI: Why Goal-Oriented Modeling Matters Again

How lessons from Tropos, Gaia, and AUML help modern Java architects model adaptive, goal-driven, and agentic AI systems with Quarkus.

Oct 5 •

Supercharging Java AI: Building MCP Servers and Clients with Quarkus, LangChain4j, and Ollama

Learn how to connect local LLMs to real-world tools using the Model Context Protocol, with a full hands-on Quarkus tutorial for Java developers.

Sep 30 •

Your Path to LangChain4j Mastery: A Beginner’s Journey for Java Developers

Step-by-step learning map to build AI-powered applications with Quarkus and LangChain4j. Go from first prompts to enterprise use cases.

Sep 29 •

From JSON Chaos to AI-Powered Memes: A Quarkus + Jackson Adventure

Learn how to clean messy JSON, validate inputs, and enrich responses with LangChain4j and a local Ollama model.

Sep 15 •

LangChain4j and Java’s AI Renaissance: What Architects Need to Know

Leverage LLMs, multimodal models, and agentic workflows without leaving the JVM

Sep 1 •

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 •

From Prompt to PDF: Build an AI-Powered White Paper Generator with Quarkus

Use Quarkus, LangChain4j, Ollama, and iText to create stunning marketing PDFs entirely in Java and fully offline.

Aug 12 •

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 •

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