Spring Boot @ComponentScan Annotation | Customizing Component Scanning

Learn how to use the @ComponentScan annotation in Spring Boot to customize component scanning. Understand how to include or exclude specific packages, classes, and beans with best practices.

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🚀 Introduction: What is @ComponentScan in Spring Boot?

The @ComponentScan annotation in Spring Boot is used to define which packages should be scanned for Spring components such as @Component, @Service, @Repository, and @Controller. It ensures that Spring Boot automatically detects and registers beans in the specified packages.

✅ Key Features of @ComponentScan:
✔ Enables automatic bean detection in specified packages.
✔ Allows including or excluding specific classes and annotations.
✔ Works with custom configurations for selective scanning.
✔ Helps in modularizing large Spring applications.

📌 In this guide, you’ll learn:
✅ How @ComponentScan works in Spring Boot.
✅ How to include or exclude specific packages and classes.
✅ Best practices for organizing component scanning.