https://www.sivalabs.in/tags/langchain4j/Recent content in LangChain4j on SivaLabsHugoenMon, 20 Jul 2026 10:47:59 +0530https://www.sivalabs.in/blog/langchain4j-retrieval-augmented-generation-tutorial/Sun, 25 Feb 2024 23:29:17 +0000https://www.sivalabs.in/blog/langchain4j-retrieval-augmented-generation-tutorial/<p>In this article, we will explore the following:</p> <ul> <li>Understand the need for <strong>Retrieval-Augmented Generation (RAG)</strong>.</li> <li>Understand <strong>EmbeddingModel</strong>, <strong>EmbeddingStore</strong>, <strong>DocumentLoaders</strong>, <strong>EmbeddingStoreIngestor</strong>.</li> <li>Working with different EmbeddingModels and EmbeddingStores.</li> <li>Ingesting data into EmbeddingStore.</li> <li>Querying LLMs with data from EmbeddingStore.</li> </ul> <p>Let&rsquo;s get started.</p>https://www.sivalabs.in/blog/langchain4j-ai-services-tutorial/Thu, 22 Feb 2024 23:29:17 +0000https://www.sivalabs.in/blog/langchain4j-ai-services-tutorial/<p>In this article, we will explore the following:</p> <ul> <li>Using LangChain4j <strong>AiServices</strong> to interact with LLMs.</li> <li>How to ask questions and map responses to different formats?</li> <li>Summarizing the given text in different formats.</li> <li>Analyzing the sentiment of the given text.</li> </ul> <p>Let&rsquo;s get started.</p>https://www.sivalabs.in/blog/generative-ai-conversations-using-langchain4j-chat-memory/Tue, 20 Feb 2024 23:29:17 +0000https://www.sivalabs.in/blog/generative-ai-conversations-using-langchain4j-chat-memory/<p>In this article, we will explore the following:</p> <ul> <li>How to use LangChain4j <strong>ChatMemory</strong> and <strong>ConversationalChain</strong> to implement conversation style interaction?</li> <li>How to ask questions using <strong>PromptTemplate</strong>?</li> </ul> <p>In the <a href="https://www.sivalabs.in/blog/getting-started-with-generative-ai-using-java-langchain4j-openai-ollama/">previous article</a>, we have seen how to interact with OpenAI using Java and LangChain4j.</p> <p>Let&rsquo;s get started.</p>https://www.sivalabs.in/blog/getting-started-with-generative-ai-using-java-langchain4j-openai-ollama/Sun, 18 Feb 2024 23:29:17 +0000https://www.sivalabs.in/blog/getting-started-with-generative-ai-using-java-langchain4j-openai-ollama/<p>In this article, we will explore the following:</p> <ul> <li>Brief introduction to Generative AI?</li> <li>How to interact with OpenAI APIs using Java?</li> <li>How to use LangChain4j to interact with OpenAI?</li> <li>How to run a LLM model locally using Ollama?</li> <li>Working with Ollama using LangChain4j and Testcontainers.</li> </ul> <p>Let&rsquo;s get started.</p>