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PGPrasad Gaikwadblog.prasadgaikwad.devNov 4, 2025 · 3 min read

Getting Started with LangChain4j: Building Your First AI-Powered Java Application

In this blog post, we'll walk through creating your first LangChain4j application using Spring Boot. We'll build a simple interactive command-line application that demonstrates the basic setup and usage of LangChain4j in a Java environment. What is L...

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RRRavi Ranjanblog.ravir.inJun 18, 2025 · 5 min read

Building a Local Speech-to-Speech Translator in Java

Introduction Creating a local speech-to-speech translator is now more accessible than ever, thanks to advancements in open-source speech recognition, translation, and text-to-speech technologies. In this blog, I'll walk you through how I built a full...

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NFNicolas Fränkelfrankel.hashnode.devMay 1, 2025 · 9 min read

LangChain4J musings, six months after

Last year, I started to dig a bit around LangChain4J. It's a fast-growing project, and I wanted to get familiar with the updates. I also wanted to check how to integrate a Model Context Protocol server in LangChain4J. Version 1 beta I wrote my last p...

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NFNicolas Fränkelfrankel.hashnode.devNov 14, 2024 · 9 min read

Langchain4J musings

I’m coming relatively late to the LLM party, but I rarely come very early in the hype cycle. For example, I never bought into blockchain, the solution still searching for problems to solve, nor in microservices, the latest in the cargo cult IT trend...

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TLTaehyeong Leejsonobject.comOct 20, 2024 · 14 min read

Building a Custom OpenAI-Compatible API Server with Kotlin, Spring Boot, LangChain4j

Overview Since OpenAI released ChatGPT to the world in November 2022, OpenAI's LLM has become the de facto standard. Many open-source and commercial solutions supporting LLM integration offer OpenAI Compatible APIs that function identically to OpenA...

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GTGeorgii Turevichgeorgiiturevich.hashnode.devAug 24, 2024 · 3 min read

Java Developer's Journey: Integrating OpenAI and Anthropic APIs with LangChain4j

As a Java developer, I've often felt left out when it comes to working with Large Language Models (LLMs). Many LLM providers offer SDKs primarily for Python or JavaScript, leaving Java developers at a disadvantage. That's why I was excited to discove...

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RBRob Brownjava-ai.hashnode.devAug 15, 2024 · 16 min read

Building a Desktop AI Chat Application with LangChain4j and Install4j

1. Introduction In the rapidly evolving landscape of artificial intelligence (AI), there is a growing interest in harnessing the power of AI for various applications. While browser-based AI tools have gained popularity, they often come with limitatio...

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TLTaehyeong Leejsonobject.comJul 22, 2024 · 7 min read

Building a Slack AI Chatbot with Amazon Bedrock Claude and LangChain4j

Overview In the era of Gen AI, one of the best ways to leverage Large Language Models (LLMs) is through the familiar platform of Slack. By creating an AI Chatbot as a Slack App, we can make it operate with a specified persona, much like interacting ...

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TLTaehyeong Leejsonobject.comJun 8, 2024 · 4 min read

How to Create a Shell Script to Query LLM with Local File Using Kotlin and LangChain4j

Introduction OpenAI's GPT-4o model currently supports text and image data through the Chat Completions API but does not support binary files. By converting files such as PDF, EPUB, DOCX, PPTX, and XLSX to text, you can perform productive tasks with ...

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PRPrabhu Rblog.teamnexus.inApr 8, 2024 · 10 min read

AI/ML - LangChain4j - AiServices

The previous article our focus has been on delving into foundational elements of LangChain4j such as ChatLanguageModel, ChatMessage, ChatMemory, and others. Working with components at this level offers great flexibility and complete control, but it c...

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#langchain4j

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Trending tags this week

Getting Started with LangChain4j: Building Your First AI-Powered Java Application

Building a Local Speech-to-Speech Translator in Java

LangChain4J musings, six months after

Langchain4J musings

Building a Custom OpenAI-Compatible API Server with Kotlin, Spring Boot, LangChain4j

Java Developer's Journey: Integrating OpenAI and Anthropic APIs with LangChain4j

Building a Desktop AI Chat Application with LangChain4j and Install4j

Building a Slack AI Chatbot with Amazon Bedrock Claude and LangChain4j

How to Create a Shell Script to Query LLM with Local File Using Kotlin and LangChain4j

AI/ML - LangChain4j - AiServices