intermediateSpring Boot Internals298 of 469
Explain the Spring bean lifecycle.
Tests whether you can sequence it correctly: instantiation, dependency injection, BeanPostProcessor pre-initialization, @PostConstruct/InitializingBean, the bean's ready-to-use phase, and finally @PreDestroy/DisposableBean on container shutdown -- the ordering, not just the hook names.
Ready to master this question?
Generate a complete walkthrough — background, the full answer in plain language, a working code example explained line by line, a real-world scenario, common mistakes, and how this same question gets asked in different ways.
Sign in to generate a response