Bean life cycle in Spring Bean Factory Container

Question

What is the Bean lifecycle in Spring Bean Factory Container?

Answer 1

Bean life cycle in Spring Bean Factory Container is as follows:

1. The Spring container instantiates the bean from the bean’s definition in the XML file.
2. Spring populates all of the properties using the dependency injection, as specified in the bean definition.
3. The factory calls setBeanName() by passing the bean’s ID if the bean implements the BeanNameAware interface.
4. The factory calls setBeanFactory() by passing an instance of itself if the bean implements the BeanFactoryAware interface.
5. preProcessBeforeInitialization() methods are called if there are any BeanPostProcessors associated with the bean.
6. If an init-method is specified for the bean, then it will be called.
7. Finally, postProcessAfterInitialization() methods will be called if there are any BeanPostProcessors associated with the bean.

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