Java AI

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.

23 hrs ago •

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 •

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 •

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 •

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 •

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 •

Build an AI-Powered Document Assistant with Quarkus and LangChain4j

From Docs to Insightful Answers in Milliseconds

Jul 10 •

Scan, Split, Share: Building a Java AI Expense App with Quarkus and LangChain4j

Use a local multimodal model to read receipts and split bills with AI. All in pure Java, no cloud required.

Jul 5 •

Color Whisperer: Build a Java App That Sees the Soul of Your Images

Combine K-Means clustering, a local LLM, and Quarkus to transform image uploads into beautiful, named color palettes.

Jun 28 •

From Unpredictable to Reliable: Mastering JSON Output with Quarkus, Langchain4j, and Ollama

Stop wrestling with malformed AI responses. Learn how to generate clean, validated JSON from local LLMs using Java records, schema enforcement, and…

Jun 19 •

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.

May 12 •

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