You can install the required packages on Ubuntu 20.04 with: apt-get update apt-get install -y cmake g++ build-essential libyaml-cpp-dev libeigen3-dev libboost-all-dev ...
LangChain4j began development in early 2023 amid the ChatGPT hype. We noticed a lack of Java counterparts to the numerous Python and JavaScript LLM libraries and frameworks, and we had to fix that!