Java AI

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 •

Museum Gift Shop: A Small Quarkus App with REST, Panache, and an MCP HTTP/SSE endpoint

Learn how to extend my TechXChange Demo Quarkus app with a simple online shop and an AI-ready MCP endpoints for LLM integration.

Oct 15 •

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 •

Discover Hidden Themes in Your Writing with Quarkus and DeepLearning4j

A hands-on guide for Java developers to scrape, embed, and cluster Substack articles into meaningful categories with AI.

Oct 6 •

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 Hello World to AI-Ready: Quarkus Dev UI MCP Server in Action

A hands-on guide for Java developers to expose tools through Quarkus Dev UI using the Model Context Protocol (MCP).

Sep 22 •

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 •

Resilient AI with Quarkus: Fault Tolerance Meets LangChain4j

Build Java microservices that call local LLMs safely with retries, circuit breakers, bulkheads, and fallbacks.

Sep 14 •

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