@Bean Annotation in Spring Boot

Learn how the @Bean annotation in Spring Boot allows manual bean creation and customization. Understand when and how to use it with real-world examples.

🚀 Introduction: What is @Bean in Spring Boot?

Spring Boot automatically detects beans using annotations like @Component, @Service, and @Repository. However, when you need more control over bean creation, you can use the @Bean annotation inside a @Configuration class.

✅ Key Features of @Bean:
✔ Used inside a @Configuration class to manually define beans.
✔ Provides full control over bean instantiation.
✔ Useful for third-party library beans or complex configurations.

📌 In this guide, you’ll learn:
✅ How @Bean works in Spring Boot.
✅ When to use @Bean instead of @Component.
✅ Best practices for using @Bean.

YouTube video: 25+ Spring and Spring Boot Annotations | 3 Hours Full Course | Interview Q&A