refactor: isNull() 사용 및 불필요한 개행 제거

#1474
woowacourse · Sep 8, 2023 · 699ecf2 · 699ecf2
1 parent 7a5b91b
commit 699ecf2
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/backend/src/main/java/wooteco/prolog/roadmap/application/QuizService.java b/backend/src/main/java/wooteco/prolog/roadmap/application/QuizService.java
@@ -1,5 +1,6 @@
 package wooteco.prolog.roadmap.application;
 
+import static java.util.Objects.isNull;
 import static wooteco.prolog.common.exception.BadRequestCode.ROADMAP_KEYWORD_ORDER_EXCEPTION;
 import static wooteco.prolog.common.exception.BadRequestCode.ROADMAP_QUIZ_NOT_FOUND_EXCEPTION;
 
@@ -44,11 +45,10 @@ public QuizzesResponse findQuizzesByKeywordId(Long keywordId, Long memberId) {
     }
 
     private boolean isLearning(Long memberId, Long quizId) {
-        if (memberId == null) {
+        if (isNull(memberId)) {
             return false;
         }
-        return essayAnswerRepository.existsByQuizIdAndMemberId(quizId,
-            memberId);
+        return essayAnswerRepository.existsByQuizIdAndMemberId(quizId, memberId);
     }
 
     @Transactional