LangChain4j Courses and Certifications

Microcredential

Talk to Your Documents with LangChain4j and Java

Master document-based AI chat applications using LangChain4j and Java to build RAG systems that intelligently process and retrieve information from your files.

• CodeSignal
• 7 hours
• On-Demand
• Free Certificate
• 3 courses

JetBrains

Next-Level Features of LangChain4j for Production-Ready AI Applications

Explore advanced LangChain4j features for production AI apps: moderation tools, multi-LLM integration, evaluation methods, model selection, privacy, observability, and RAG techniques.

• YouTube
• 1 hour
• On-Demand
• Free Video

Java

Agent Orchestration with LangChain4J

Explore agent orchestration patterns in Java using LangChain4J to build scalable AI workflows with sequential, parallel, and supervisor patterns for enterprise automation.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Java

Level Up Your LangChain4j Apps for Production

Master advanced LangChain4j techniques for production-ready AI systems, covering RAG methods, tool calling, agentic workflows, and operational considerations.

• YouTube
• 54 minutes
• On-Demand
• Free Video

Devoxx

Java Meets AI: Build LLM-Powered Apps with LangChain4j

Explore LangChain4j framework to build AI-powered Java apps. Learn to integrate LLMs, generate images, and create advanced RAG systems. Dive into Quarkus integration for efficient development and deployment.

• YouTube
• 2 hours 49 minutes
• On-Demand
• Free Video

Devoxx

From LLM Orchestration to Autonomous Agents - Agentic AI Patterns with LangChain4j

Explore agentic AI patterns using LangChain4j to build autonomous agents capable of reasoning, planning, and taking actions beyond basic chatbots in Java applications.

• YouTube
• 2 hours 47 minutes
• On-Demand
• Free Video

Devoxx

Agent Orchestration with LangChain4J

Master agent orchestration patterns in Java using LangChain4J to build controlled AI workflows with sequential, parallel, and supervisor patterns plus human validation strategies.

• YouTube
• 15 minutes
• On-Demand
• Free Video

Devoxx

Level Up Your LangChain4j Apps for Production

Master production-ready LangChain4j development with advanced RAG, multi-LLM orchestration, guardrails, observability, and testing for AI-powered applications.

• YouTube
• 54 minutes
• On-Demand
• Free Video

Devoxx

Building an AI Minecraft Mod with LangChain4J - From Content Generation to NPC Conversations

Explore building AI-powered Minecraft mods using LangChain4J, from creating chatty NPCs to developing AI assistants, while learning essential AI concepts through hands-on development.

• YouTube
• 48 minutes
• On-Demand
• Free Video

Devoxx

Securing the Future of AI: Authorization Strategies for RAG Systems with LangChain4J and OpenFGA

Discover robust authorization frameworks for RAG systems using LangChain4J and OpenFGA, exploring RBAC and ReBAC implementation strategies to safeguard sensitive data while maintaining system efficiency.

• YouTube
• 43 minutes
• On-Demand
• Free Video

Devoxx Poland

Java and AI - Build LLM App with LangChain4j - Part 2

Master LangChain4j framework to build AI-powered Java applications with multiple LLM providers, image generation, RAG implementation, and Quarkus integration for deployment-ready apps.

• YouTube
• 51 minutes
• On-Demand
• Free Video

Devoxx Poland

Java and AI - Build LLM App with LangChain4j - Part 1

Explore LangChain4j framework to build AI-powered Java applications with multiple LLM providers, image generation, RAG implementation, and Quarkus integration for deployment-ready apps.

• YouTube
• 1 hour
• On-Demand
• Free Video

Devoxx

AI Powered Form Wizards - Chat, Click, Done

Discover how to build AI-powered form assistants using LangChain4j and Quarkus to transform tedious paperwork into conversational experiences that guide users step-by-step.

• YouTube
• 35 minutes
• On-Demand
• Free Video

GeeCON Conference

From Words to Wisdom - How LLMs and Vector Databases Revolutionize Data

Explore how LLMs and vector databases work together through vectorization, semantic search, and real-time retrieval using Kotlin and LangChain4j in practical demonstrations.

• YouTube
• 48 minutes
• On-Demand
• Free Video

Devoxx

Java Meets AI - A Hands On Guide to Building LLM Powered Applications with LangChain4j

Hands-on guide to integrating AI and Large Language Models into Java applications using LangChain4j, enabling developers to create powerful AI-driven solutions.

• YouTube
• 51 minutes
• On-Demand
• Conference Talk