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Spring Boot Notes 1.0v
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| Spring Boot Notes | |
| @Component vs @Bean | |
| The @Bean annotation is a method-level annotation, whereas @Component is a class-level annotation. | |
| The @Component annotation doesn't need to be used with the @Configuration annotation, whereas the @Bean generic annotation has to be used within a class annotated with @Configuration. | |
| If your component doesn't need to communicate with a database or return an HTTP result, you can use the @Service annotation whenever using the @Component annotation is possible. | |
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@component vs @bean
The @bean annotation is a method-level annotation, whereas @component is a class-level annotation.
The @component annotation doesn't need to be used with the @configuration annotation, whereas the @Beangeneric annotation has to be used within a class annotated with @configuration.
If your component doesn't need to communicate with a database or return an HTTP result, you can use the @service annotation whenever using the @component annotation is possible.