Autowired on initialized final field

FinalAutowiredApplication.java

package com.example.finalautowired;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

@SpringBootApplication
public class FinalAutowiredApplication {

	public static void main(String[] args) {
		SpringApplication.run(FinalAutowiredApplication.class, args);
	}

	@Bean
	public Bar bar() {
		return new Bar("context");
	}
}

@Component
class Foo {
	@Autowired
	private final Bar bar = new Bar("simple");
	
	public String getMessage() {
		return bar.getMessage();
	}
}

class Bar {
	private final String message;

	public Bar(String message) {
		this.message = message;
	}

	public String getMessage() {
		return message;
	}
}

FinalAutowiredApplicationTests

package com.example.finalautowired;

import static org.junit.Assert.assertEquals;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest
public class FinalAutowiredApplicationTests {
	
	@Autowired
	private Foo foo;
	
	@Test
	public void test() {
		assertEquals("simple", foo.getMessage());
	}

}