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#langchain4j

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Markus Eisele<p>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 <br><a href="https://myfear.substack.com/p/quarkus-langchain4j-captains-log-generator" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/quarkus-</span><span class="invisible">langchain4j-captains-log-generator</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/ToolCalling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ToolCalling</span></a> <a href="https://mastodon.online/tags/CaptainsLog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CaptainsLog</span></a></p>
Markus Eisele<p>Tracing the Mind of Your AI: Java Observability with Quarkus and LangChain4j<br>Instrument, trace, and monitor your AI-powered Java apps using local LLMs, Ollama, and OpenTelemetry with zero boilerplate. <br><a href="https://myfear.substack.com/p/java-ai-observability-quarkus-langchain4j" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/java-ai-</span><span class="invisible">observability-quarkus-langchain4j</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ollama</span></a> <a href="https://mastodon.online/tags/OpenTelemetry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpenTelemetry</span></a></p>
Markus Eisele<p>Smart Local AI Routing in Java: Build a Hybrid LLM Gateway with Quarkus and Ollama<br>Use LangChain4j, semantic embeddings, and Quarkus to route prompts to the best local LLM for coding, summarization, or chat <br><a href="https://myfear.substack.com/p/smart-local-llm-routing-quarkus-java-ollama" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/smart-lo</span><span class="invisible">cal-llm-routing-quarkus-java-ollama</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ollama</span></a> <a href="https://mastodon.online/tags/Langchain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Langchain4j</span></a> <a href="https://mastodon.online/tags/SemanticRouting" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticRouting</span></a></p>
Markus Eisele<p>Master AI-Powered DNS Lookups with Quarkus and Langchain4j<br>What if you could ask your Java app, “What are the MX records for <a href="https://gmail.com?”" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">gmail.com?”</span><span class="invisible"></span></a> and get a precise, AI-generated answer in seconds <br><a href="https://myfear.substack.com/p/ai-dns-lookup-java-quarkus-langchain4j" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/ai-dns-l</span><span class="invisible">ookup-java-quarkus-langchain4j</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/DNS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DNS</span></a> <a href="https://mastodon.online/tags/Ai" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ai</span></a></p>
Markus Eisele<p>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. <br><a href="https://myfear.substack.com/p/ai-dungeon-master-quarkus-langchain4j-java" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/ai-dunge</span><span class="invisible">on-master-quarkus-langchain4j-java</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/Game" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Game</span></a> <a href="https://mastodon.online/tags/RPG" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RPG</span></a> <a href="https://mastodon.online/tags/llm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>llm</span></a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ollama</span></a></p>
Markus Eisele<p>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. <br><a href="https://myfear.substack.com/p/quarkus-langchain4j-dad-joke-generator" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/quarkus-</span><span class="invisible">langchain4j-dad-joke-generator</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/DadJokes" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DadJokes</span></a></p>
Markus Eisele<p>Building Smart Support: AI-Driven Customer Service with Java and Quarkus<br>Harness the power of LangChain4j, Ollama, and pgvector to create a reactive, intelligent support system. <br><a href="https://myfear.substack.com/p/ai-customer-support-quarkus-langchain4j" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/ai-custo</span><span class="invisible">mer-support-quarkus-langchain4j</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/pgvector" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pgvector</span></a></p>
Markus Eisele<p>Teaching AI to Remember: Inside a Java-Based Semantic Memory System<br>How Quarkus, LangChain4j, and pgvector power long-term memory for intelligent, context-aware conversations <br><a href="https://myfear.substack.com/p/java-ai-semantic-memory-quarkus-langchain4j" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/java-ai-</span><span class="invisible">semantic-memory-quarkus-langchain4j</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/AiMemory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AiMemory</span></a> <a href="https://mastodon.online/tags/LongTerm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LongTerm</span></a> <a href="https://mastodon.online/tags/SemanticMemory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SemanticMemory</span></a></p>
Markus Eisele<p>Microsoft and LangChain4j: A Partnership for Secure, Enterprise-Grade Java AI Applications <br><a href="https://devblogs.microsoft.com/java/microsoft-and-langchain4j-a-partnership-for-secure-enterprise-grade-java-ai-applications/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">devblogs.microsoft.com/java/mi</span><span class="invisible">crosoft-and-langchain4j-a-partnership-for-secure-enterprise-grade-java-ai-applications/</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/langchain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>langchain4j</span></a> <a href="https://mastodon.online/tags/aiml" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>aiml</span></a> <a href="https://mastodon.online/tags/JavaAI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JavaAI</span></a></p>
Markus Eisele<p>Build a Smart Credit Card Validator with Quarkus, Langchain4j, and Ollama<br>Validate cards like a bank, talk like a human. <br><a href="https://myfear.substack.com/p/smart-credit-card-validator-quarkus-langchain4j-ollama" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/smart-cr</span><span class="invisible">edit-card-validator-quarkus-langchain4j-ollama</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Langchain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Langchain4j</span></a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ollama</span></a> <a href="https://mastodon.online/tags/CreditCardValidator" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CreditCardValidator</span></a> <a href="https://mastodon.online/tags/AiAgent" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AiAgent</span></a></p>
Markus Eisele<p>From Black Box to Blueprint: Tracing Every LLM Decision with Quarkus<br>Build trust, traceability, and visual insight into your AI-powered Java apps using LangChain4j, Ollama, and CDI interceptors. <br><a href="https://myfear.substack.com/p/llm-observability-quarkus-langchain4j" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/llm-obse</span><span class="invisible">rvability-quarkus-langchain4j</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LLM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LLM</span></a> <a href="https://mastodon.online/tags/Observability" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Observability</span></a> <a href="https://mastodon.online/tags/Traces" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Traces</span></a> <a href="https://mastodon.online/tags/CDI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CDI</span></a> <a href="https://mastodon.online/tags/Ollama" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Ollama</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a></p>
Markus Eisele<p>JVM Inspector with AI: Build a Smart Diagnostic Tool with Quarkus, LangChain4j, and Dev Services. Combine the power of Java introspection tools with a local AI model to analyze running JVMs in plain English. <br><a href="https://myfear.substack.com/p/ai-jvm-inspector-quarkus-langchain4j" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/ai-jvm-i</span><span class="invisible">nspector-quarkus-langchain4j</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/JVM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JVM</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a></p>
Markus Eisele<p>Mastering Reasoning with Code: Chain of Thought Pipelines in Java<br>Build smarter, traceable AI workflows using LangChain4j, Quarkus, and structured step-by-step logic <br><a href="https://myfear.substack.com/p/chain-of-thought-java-langchain4j-quarkus" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">myfear.substack.com/p/chain-of</span><span class="invisible">-thought-java-langchain4j-quarkus</span></a><br><a href="https://mastodon.online/tags/Java" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Java</span></a> <a href="https://mastodon.online/tags/Quarkus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Quarkus</span></a> <a href="https://mastodon.online/tags/LangChain4j" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LangChain4j</span></a> <a href="https://mastodon.online/tags/CoT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CoT</span></a> <a href="https://mastodon.online/tags/Reasoning" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Reasoning</span></a></p>