Spring 5 Design Patterns

Initializing bean instances

After loading the bean definitions into the BeanFactory, the Spring IoC container instantiates the beans for the application; the following diagram shows the process flow:

As you can see in the preceding diagram, the bean initialization step is executed for each bean in the container. We can summarize the bean creation process as follows:

• Each bean is eagerly instantiated by default. It is created in the right order with its dependencies injected unless marked as lazy.
• Spring provides multiple BeanPostProcessor, so, each bean goes through a post-processing phase such as BeanFactoryPostProcessor, which can modify ...