Sonar

src/main/java/at/ac/uibk/gitsearch/service/ExerciseService.java

@@ -173,9 +173,9 @@ public class ExerciseService {
             jsonObject.put("type", "programming exercise");
         }
 
-        FileWriter fileWriter = new FileWriter(jsonFile);
-        fileWriter.write(jsonObject.toString(JSONStyle.NO_COMPRESS));
-        fileWriter.close();
+        try (FileWriter fileWriter = new FileWriter(jsonFile)) {
+        	fileWriter.write(jsonObject.toString(JSONStyle.NO_COMPRESS));
+        }
     }
 
     /**