Web Reference: Feb 27, 2026 · In this approach, a Spring bean can define custom initialization and destruction logic by implementing two Spring-provided interfaces: InitializingBean and DisposableBean. We recommend that you do not use the InitializingBean interface, because it unnecessarily couples the code to Spring. Alternatively, we suggest using the @PostConstruct annotation or specifying a POJO initialization method. In this tutorial, we will learn about bean life cycle stages in Spring which are divided into two categories: post-initialization and pre-destruction callbacks.
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