1、spring中的bean的创建的生命周期

https://www.bilibili.com/video/BV1zA411c7re?p=25

2、spring中的bean是线程安全的吗

27、ApplicationContext和BeanFactory有什么区别

https://www.bilibili.com/video/BV1zA411c7re?p=27

28、Spring中的事务是如何实现的

https://www.bilibili.com/video/BV1zA411c7re?p=28

29、Spring中什么时候@Transactional会失效

https://www.bilibili.com/video/BV1zA411c7re?p=29

30、Spring容器启动流程是怎样的

https://www.bilibili.com/video/BV1zA411c7re?p=30

31、Spring用到了哪些设计模式mp4

https://www.bilibili.com/video/BV1zA411c7re?p=31

32、SpringMVC的底层工作流程

https://www.bilibili.com/video/BV1zA411c7re?p=32
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33、SpringBoot中常用注解及其底层实现

https://www.bilibili.com/video/BV1zA411c7re?p=33

34、SpringBoot是如何启动Tomcat的

https://www.bilibili.com/video/BV1zA411c7re?p=34

35、SpringBoot中配置文件的加载顺序是怎样的?

https://www.bilibili.com/video/BV1zA411c7re?p=35

36、如何理解springboot 的starter
https://www.bilibili.com/video/BV1bA411P7yr?p=192
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