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Difference between @Inject and @Autowired
@Inject and @Autowired both annotations are used for autowiring in your application.
@Inject annotation is part of Java CDI which was introduced in Java 6, whereas @Autowire annotation is part of spring framework. Both annotations fulfill same purpose therefore, anything of these we can use in our application.
| Sr. No. | Key | @Inject | @Autowired |
|---|---|---|---|
| 1 | Basic | It is part of Java CDI | It is part of Spring framework |
| 2 | Required | It has no required attribute | It has required attribute |
| 3 | Default Scope | Default scope of the autowired beans is Singleton | Default scope of the inject beans is prototype |
| 4 | Ambiguity | In case of ambiguity in beans for injection then @Named qualifier should be added in your code. | In case of ambiguity in beans for injection then @Qualifer qualifier should be added in your code. |
| 5 | Advantage | It is a part of Java CDI so it is not dependent on any DI framework. It makes your system loosely coupled. | It makes your application tightly coupled with Spring framework. In the future , if you want to move to another DI framework then you need reconfigure your application. |
Example of @Injection annotation
public class InjectionExample {
@Inject
private CarBean carbean;
}Example of @Autowired annotation
public class AutowiredExample {
@Autowired
private CarBean carbean;
}
Updated on: 09-Sep-2020
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