A practical guide to implementing conversational AI with memory in Java using LangChain4j. Covers how ChatMemory and ConversationalChain maintain conversation context across multiple exchanges, how to use MessageWindowChatMemory and TokenWindowChatMemory, and how PromptTemplate simplifies dynamic prompt construction with built-in date/time variables. Also demonstrates manually adding messages to ChatMemory directly without ConversationalChain.
Table of contents
What is the need for ChatMemory?How to use ConversationalChain with ChatMemory?How to ask questions using PromptTemplate?Manually adding messages to ChatMemoryConclusionSort: