Java 21 语言规范文档:https://docs.oracle.com/javase/specs/jls/se21/html/index.html
Java 21 虚拟机规范文档:https://docs.oracle.com/javase/specs/jvms/se21/html/index.html
Java 零基础视频教程:https://www.bilibili.com/video/BV1a5411y77c(推荐)
Spring AI + Chat GPT:https://www.bilibili.com/video/BV1d1421d7Fy