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What is setter injection?

Pragya Keshap answered on March 1, 2023 Popularity 6/10 Helpfulness 2/10

answer What is setter injection?

What is setter injection?

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Spring Setter Injection is nothing but injecting the Bean Dependencies using the Setter methods on an Object. Unlike Spring Constructor Injection, in Setter Injection, the object is created first and then the dependency is injected.

@Component
public class DogsService {
    private DogsDao dao;

    public List<Dog> getDogs() {
        System.out.println("DogsService.getDogs called");
        return dao.getAllDogs();
    }

    @Autowired
    public void setDao(DogsDao dao) {
        System.out.println("DogsService setter called");
        this.dao = dao;
    }

    public DogsService(){
        System.out.println("DogsService no-arg constructor called");
    }
    public DogsService(DogsDao dao) {
        System.out.println("DogsService arg constructor called");
        this.dao = dao;
    }
}

https://www.amitph.com/spring-setter-injection-example/#:~:text=What%20is%20Spring%20Setter%20Injection,then%20the%20dependency%20is%20injected.

Popularity 6/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: java setter

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Contributed on Mar 01 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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