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What is the purpose of @Primary?

Pragya Keshap answered on February 18, 2023 Popularity 2/10 Helpfulness 1/10

answer What is the purpose of @Primary?

What is the purpose of @Primary?

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The @Primary annotation allows you to set one of the type's beans as the default. Bean annotation with @Primary will be injected into autowired fields:

@Configuration
public class AppConfig {    @Bean
    @Primary
    public CartService cartService1() {
        return new CartServiceImpl1();
    }
    
    @Bean
    public CartService cartService2() {
        return new CartServiceImpl2();
    }
}
@Controller
public class CartController {    @Autowired
    private CartService service;
}

Popularity 2/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 18 2023

Pragya Keshap

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