각 파일에 clearStore 부분을 없애준다. // MemberRepository interface(src - repository폴더) package hello.hellospring.repository; import hello.hellospring.domain.Member; import java.util.List; import java.util.Optional; public interface MemberRepository { Member save(Member member); Optional findById(Long id); Optional findByName(String name); List findAll(); } // JpaMemberRepository package hello.hellospring...