https://ai-tutorials.langchat.cn/langchain4j-docs/01-introduction-to-langchain4j https://ai-tutorials.langchat.cn/langchain4j-docs/02-your-first-chat-application https://ai-tutorials.langchat.cn/langchain4j-docs/03-deep-dive-into-chatmodel https://ai-tutorials.langchat.cn/langchain4j-docs/04-model-parameters-configuration https://ai-tutorials.langchat.cn/langchain4j-docs/05-chatmessage-types-explained https://ai-tutorials.langchat.cn/langchain4j-docs/06-chatmemory-conversation-management https://ai-tutorials.langchat.cn/langchain4j-docs/07-embedding-model-and-vectors https://ai-tutorials.langchat.cn/langchain4j-docs/08-embedding-store-and-vector-storage https://ai-tutorials.langchat.cn/langchain4j-docs/09-tools-and-function-calling https://ai-tutorials.langchat.cn/langchain4j-docs/10-rag-retrieval-augmented-generation https://ai-tutorials.langchat.cn/langchain4j-docs/11-ai-services-explained https://ai-tutorials.langchat.cn/langchain4j-docs/12-streaming-output-detailed https://ai-tutorials.langchat.cn/langchain4j-docs/13-classification https://ai-tutorials.langchat.cn/langchain4j-docs/14-json-handling https://ai-tutorials.langchat.cn/langchain4j-docs/15-logging https://ai-tutorials.langchat.cn/langchain4j-docs/16-observability https://ai-tutorials.langchat.cn/langchain4j-docs/17-image-models https://ai-tutorials.langchat.cn/langchain4j-docs/18-customizable-http-client https://ai-tutorials.langchat.cn/langchain4j-docs/19-structured-outputs https://ai-tutorials.langchat.cn/langchain4j-docs/20-testing-and-evaluation https://ai-tutorials.langchat.cn/langchain4j-docs/21-error-handling-and-retry https://ai-tutorials.langchat.cn/langchain4j-docs/22-guardrails https://ai-tutorials.langchat.cn/langchain4j-docs/23-spring-boot-integration https://ai-tutorials.langchat.cn/langchain4j-docs/24-websocket-real-time-communication https://ai-tutorials.langchat.cn/langchain4j-docs/25-performance-optimization https://ai-tutorials.langchat.cn/langchain4j-docs/26-security-and-authentication https://ai-tutorials.langchat.cn/langchain4j-docs/27-deployment-and-operations https://ai-tutorials.langchat.cn/langchain4j-docs/28-cost-optimization https://ai-tutorials.langchat.cn/langchain4j-docs/29-troubleshooting https://ai-tutorials.langchat.cn/langchain4j-docs/30-other-model-providers https://ai-tutorials.langchat.cn/langchain4j-docs/31-custom-model-integration https://ai-tutorials.langchat.cn/langchain4j-docs/32-local-model-deployment https://ai-tutorials.langchat.cn/langchain4j-docs/33-advanced-rag-techniques https://ai-tutorials.langchat.cn/langchain4j-docs/34-agent-and-tool-use https://ai-tutorials.langchat.cn/langchain4j-docs/35-multimodal-applications https://ai-tutorials.langchat.cn/langchain4j-docs/startup