Spring 5 Design Patterns

Life of a bean in the container

The Spring application context uses the Factory method design pattern to create Spring beans in the container in the correct order according to the given configuration. So the Spring container has the responsibility of managing the life cycle of the bean from creation to destruction. In the normal java application, Java's new keyword is used to instantiate the bean, and it's ready to use. Once the bean is no longer in use, it's eligible for garbage collection. But in the Spring container, the life cycle of the bean is more elaborate. The following image shows the life cycle of a typical Spring bean:

The life ...