LangChain4j has crossed an important line:
from “interesting library” → production Java AI infrastructure.

I wrote a long-form guide with 50 LangChain4j interview questions, covering:
• AI Services
• RAG & embeddings
• Tools & agents
• Memory & context limits
• Observability, cost, and security

Written from a production Java perspective — not Python demos.

https://www.the-main-thread.com/p/langchain4j-interview-questions-java

#Java #LangChain4j #AIinJava #EnterpriseJava #RAG #LLM #SoftwareArchitecture #DevExperience