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Understanding @Bean in Spring Boot
Spring Boot is a popular framework for building Java applications. It simplifies the process by offering a set of tools and libraries that make the development process faster and more efficient. One of the fundamental concepts in Spring Boot is the use of @Bean. If you're new to Spring Boot, you might wonder, "Why do we use @Bean?" In this article, we'll explore what @Bean is, why it's important, and how you can use it in your Spring Boot applications. We'll use simple language and practical examples to make the information easy to understand.
What is a Bean?
Before we dive into @Bean, let's first understand what a "Bean" is. In the context of Spring, a Bean is simply an object that is managed by the Spring framework. Beans are the building blocks of Spring applications. They are created, updated, managed, and destroyed by the Spring IoC (Inversion of Control) container.
Imagine you’re building a car. Each part, like the engine, wheels, or seats, can be considered a bean. The Spring IoC container assembles these parts to create a complete car. In a similar way, the Spring container manages beans to create an entire application.
What is the @Bean Annotation?
The @Bean annotation is a way to declare a bean in Spring. When you use the @Bean annotation, you…