Spring Framework Interview Questions and Answers
Question: Explain Bean lifecycle in Spring framework?Answer: 1. The spring container finds the bean�s definition from the XML file and instantiates the bean.2. Using the dependency injection, spring populates all of the properties as specified in the bean definition. 3. If the bean implements the BeanNameAware interface, the factory calls setBeanName() passing the bean�s ID. 4. If the bean implements the BeanFactoryAware interface, the factory calls setBeanFactory(), passing an instance of itself. 5. If there are any BeanPostProcessors associated with the bean, their post- ProcessBeforeInitialization() methods will be called. 6. If an init-method is specified for the bean, it will be called. 7. Finally, if there are any BeanPostProcessors associated with the bean, their postProcessAfterInitialization() methods will be called. |
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