Snippet

Handling Multiple Beans with @Primary

If multiple beans of the same type exist, @Primary gives precedence to a specific bean. This avoids ambiguity errors during dependency injection.

snippet.java

java

@Component
@Primary
public class DefaultService implements MessageService { }
 
@Component
public class SecondaryService implements MessageService { }

spring

Breakdown

@Primary

Specifies the default bean to use when multiple candidates are available.

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Handling Multiple Beans with @Primary

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