Spring 기초 / 자바 코드로 직접 스프링 빈 등록

SpringConfig 생성

package izero.hellospring;

import izero.hellospring.repository.MemberRepository;
import izero.hellospring.repository.MemoryMemberRepository;
import izero.hellospring.service.MemberService;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class SpringConfig {
    @Bean
    public MemberService memberService(){
        return new MemberService(memberRepository());
    }
    @Bean
    public MemberRepository memberRepository(){
        return new MemoryMemberRepository();
    }
}