Bean is an object in an application. A bean is created, used, and finally destroyed when its purpose is over. These are the different stages of a spring life cycle. The entire spring bean life cycle is supervised by the Spring IoC (Inversion of Control) container. That is why these beans are called spring beans.

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The Life Cycle of a Spring Bean

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In a spring bean life cycle, first of all, a bean is instantiated. After instantiation, a bean goes through a sequence of steps before being ready to be used. When a bean is no longer required for any function, it is destroyed.

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Spring bean life cycle can be controlled in the following ways

• Instantiation by using:
• InitializingBean callback interface.
• Custom init() method from the bean configuration file.
• Aware interfaces for distinct actions.
• PostConstruct and PreDestroy annotations.
• Destruction
• DisposableBean callback interface
• Custom destroy() method from the bean configuration file.

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