거북이-https://velog.io/@violet_evgadn 이전완료

생성자 주입 @Component public class UserService { private final MemberService memberService; private final VIPService vipService; @Autowired public UserService(MemberService memberService, VIPService vipService){ this.memberService = memberService; this.vipService = vipService; } public void greet(){ System.out.println("********"); memberService.greeting(); vipService.greeting(); System.out.println("..