chore: Java 스타일 수정

Author: github-actions

backend/src/main/java/io/f1/backend/domain/game/sse/SseController.java

@@ -1,7 +1,7 @@
 package io.f1.backend.domain.game.sse;
 
-import java.io.IOException;
 import lombok.RequiredArgsConstructor;
+
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;

backend/src/main/java/io/f1/backend/domain/game/sse/SseEmitterRepository.java

@@ -1,10 +1,11 @@
 package io.f1.backend.domain.game.sse;
 
-import java.util.List;
-import java.util.concurrent.CopyOnWriteArrayList;
 import org.springframework.stereotype.Repository;
 import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 
+import java.util.List;
+import java.util.concurrent.CopyOnWriteArrayList;
+
 @Repository
 public class SseEmitterRepository {
 
@@ -13,9 +14,10 @@ public class SseEmitterRepository {
     public void save(SseEmitter emitter) {
         emitters.add(emitter);
         // 연결종료 객체정리
-        emitter.onCompletion(() -> {
-            emitters.remove(emitter);
-        });
+        emitter.onCompletion(
+                () -> {
+                    emitters.remove(emitter);
+                });
         emitter.onTimeout(() -> emitters.remove(emitter));
         emitter.onError(error -> emitters.remove(emitter));
     }

backend/src/main/java/io/f1/backend/domain/game/sse/SseService.java

@@ -1,10 +1,12 @@
 package io.f1.backend.domain.game.sse;
 
-import java.io.IOException;
 import lombok.RequiredArgsConstructor;
+
 import org.springframework.stereotype.Service;
 import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 
+import java.io.IOException;
+
 @Service
 @RequiredArgsConstructor
 public class SseService {
@@ -17,9 +19,7 @@ public SseEmitter subscribe() {
 
         try {
             // emitter 정상 전송확인 메시지
-            emitter.send(SseEmitter.event()
-                .name("connect")
-                .data("connected"));
+            emitter.send(SseEmitter.event().name("connect").data("connected"));
         } catch (IOException e) {
             // emitter send() 호출 시 예외 처리
             emitterRepository.remove(emitter);