The process of Spring assembling beans

Three ways to instantiate beans
in Spring There are three ways to create beans in Spring:

1. Instantiate using class constructor

2. Instantiate using static factory method

3. Instantiate using instance factory
https://blog.csdn.net /q3498233/article/details/6695580
https://blog.csdn.net/u010800530/article/details/38375221


Spring assembly Bean process and Bean instantiation process
https://blog.csdn.net/mawming/article/details/ 52287786
https://www.cnblogs.com/leskang/p/6411011.html

Spring's autowiring (default-autowire="byName")
https://blog.csdn.net/fengyun111999/article/details/6320486

@Resource , @Autowired is different from default-autowire
https://www.cnblogs.com/elleniou/archive/2013/07/03/3168836.html