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[Springboot] DI(Dependency Injection) 3가지 방법

방법 1 기본원리 @Service public class BoardService { public BoardService(BoardRepository bRepo, ReplyRepository rRepo) { this.boardRepository = bRepo; this.replyRepository = rRepo; } } 방법 2 @AutoWired 사용 @Service public class BoardService { @Autowired private UserRepository userRepository; @Autowired private BoardRepository boardRepository; @Autowired private ReplyRepository replyRepository; } 방법 3 @r..