LifeCycle

• Spring beans are initialized by the spring Applicationcontext and it also injects all the dependencies of  it.

• The context is destroyed it also destroys all the initialized beans

• Post initialization - Implement InitializingBean interface and afterPropertiesSet() method

• Pre destroy - Implement DisposableBean interface and destroy() method

• Post initialization and pre destroy methods are recommended since its tightly coupled

• Providing init-method and destroy-method attribute values in the configuration file and this is the recommended approach.

• As part of annotation @PostConstruct and @Predestroy annotations are used for post initialization and pre destroy.

Methods of bean life cycle

• Setup: called when bean is loaded into the container

• Teardown: called when the bean is unloaded into the container