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BooleanBuilder package study.querydsl.dto; import lombok.Data; @Data public class MemberSearchCondition { //회원명, 팀명, 나이(ageGoe, ageLoe) private String username; private String teamName; private Integer ageGoe; private Integer ageLoe; } Request 받을 DTO Wrapper 클래스(Integer)를 사용한 이유는 값이 null일 수도 있기 때문이다. public List searchByBuilder(MemberSearchCondition condition) { BooleanBuilder builder = new Bool..