Learn spring source - data refer to the

 

Spring source code to prove safety (b)

https://www.cnblogs.com/codebear/p/10374261.html

 

Use gradle idea and source code to compile spring5
https://blog.csdn.net/baomw/article/details/83956300

 

Introduction of these two articles, this is the video: Programmer Advanced Tutorial - takes you deep understanding Bean  

https://www.bilibili.com/video/av54653694?from=search&seid=7681815840640812986