Spring. Injecting Values from Properties file.

 foo.email=test@gmail.com

foo.team=test team

package com.example.demo;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;

@Configuration
//@ComponentScan("com.example.demo")
@PropertySource("classpath:sport.properties")
public class SportConfig {

    @Bean
    public FortuneService sadFortuneService() {
        return new SadFortuneService();
    }

    @Bean
    public Coach swimCoach() {
        return new SwimCoach(sadFortuneService());
    }
}
package com.example.demo;

import org.springframework.beans.factory.annotation.Value;

public class SwimCoach implements Coach {

    private FortuneService fortuneService;

    @Value("${foo.email}")
    private String email;

    @Value("${foo.team}")
    private String team;

    public SwimCoach(FortuneService fortuneService) {
        this.fortuneService = fortuneService;
    }

    @Override
    public String getDailyWorkout() {
        return "Swim 1000 meters as a warm up.";
    }

    @Override
    public String getDailyFortune() {
        return fortuneService.getFortune();
    }

    public String getEmail() {
        return email;
    }

    public String getTeam() {
        return team;
    }
}
package com.example.demo;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;

public class SwimJavaConfigDemoApp {
    public static void main(String[] args) {
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(SportConfig.class);
        SwimCoach coach = context.getBean("swimCoach", SwimCoach.class);
        System.out.println(coach.getDailyWorkout());
        System.out.println(coach.getDailyFortune());
        System.out.println(coach.getTeam());
        System.out.println(coach.getEmail());
        context.close();
    }
}