If you are a Java developer, there is no need to explain the concept of the Spring Framework. We are well aware of @Component, @Autowired, and many other useful annotations. Perhaps you prefer Jakarta EE stack, then your choice is @ManagedBean, @Inject and so on. In both of these cases, there is one thing that seems convenient but makes your code less maintainable and more fragile. The @PostConstruct annotation. In this article, I’ll try to convince you that you should forget about it for good.
What’s the purpose of @PostConstruct? Usually, we use it to defer some events that must be executed after object instantiation. For instance, suppose our application needs a service that accepts a user’s request and adds it to the queue. How shall we design QueueService? Here is one option.
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