• views: 156
• date: 30 September 2025
• posted by: 0nelove

Learn the complete Spring Bean Lifecycle through real-world examples and live coding. Customize beans with post-processors, understand proxies, control creation order, and solve common injection challenges for maintainable apps.
The Spring Bean Lifecycle is often seen as mysterious because developers rarely see what happens between bean creation and destruction. In this course, Spring Certified Professional: Spring Bean Lifecycle, we'll work through each stage of a bean's life in the Spring container to give you clear, practical insight into what's happening behind the scenes. First, you'll explore the complete lifecycle from instantiation to destruction, including key hooks like @PostConstruct, @PreDestroy, InitializingBean, and DisposableBean. Next, you'll discover how to customize and enhance beans using BeanFactoryPostProcessor and BeanPostProcessor, and how proxies allow Spring to add behavior at runtime. Finally, you'll learn how to control bean creation order with tools like @DependsOn and @Order, and how to avoid common injection pitfalls with @Primary, @Qualifier, and lazy initialization — and you'll see how to handle shutdown events and circular dependencies so your applications remain stable and predictable. When you're finished with this course, you'll have the knowledge and skills to understand, control, and optimize the lifecycle of beans in any Spring application.




   
   
   

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