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dependency injection with @Autowired java

solomon bekele answered on January 18, 2024 Popularity 3/10 Helpfulness 1/10

answer dependency injection with @Autowired java

dependency injection with @Autowired java

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import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

// A simple dependency class
@Component
public class Dependency {
    public void performAction() {
        System.out.println("Action performed by Dependency");
    }
}

// Service class using @Autowired for dependency injection
@Component
public class MyService {
    private final Dependency dependency;

    // Constructor injection using @Autowired
    @Autowired
    public MyService(Dependency dependency) {
        this.dependency = dependency;
    }

    public void doSomething() {
        // Using the injected dependency
        dependency.performAction();
    }
}

// Main application class
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;

@SpringBootApplication
public class MyApp {
    public static void main(String[] args) {
        ConfigurableApplicationContext context = SpringApplication.run(MyApp.class, args);

        // Retrieving the MyService bean from the Spring context
        MyService myService = context.getBean(MyService.class);

        // Using the MyService bean
        myService.doSomething();

        // Closing the Spring context
        context.close();
    }
}

Popularity 3/10 Helpfulness 1/10 Language java

Source: chat.openai.com

Tags: dependency-injection java

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Contributed on Jan 18 2024

solomon bekele

0 Answers Avg Quality 2/10

dependency injection with @Autowired java

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