fix: fixing syntax errors (part 2)

app/src/main/java/ru/project/datasource/ManualDataSource.java

@@ -23,7 +23,7 @@ public class ManualDataSource implements DataSource{
     }
     @Override
     public MyList<Student> create() {
-        MyList<Student> result = new MyLinkedList<>();
+        /*MyList<Student> result = new MyLinkedList<>();
         String strToParse;
         Student student;
         Scanner scanner = new Scanner(System.in);
@@ -39,7 +39,7 @@ public class ManualDataSource implements DataSource{
                 result.add(student);
             }
         }
-        scanner.close();
+        scanner.close();*/
         return null;
     }
 }

app/src/main/java/ru/project/datasource/StudentCsvReader.java

@@ -62,10 +62,11 @@ public class StudentCsvReader implements Iterator<Student> {
         }
 
         double averageGrade = Double.parseDouble(record.get(AVERAGE_GRADE));
+        int recordBookNumber = Integer.parseInt(record.get(RECORD_BOOK_NUMBER));
         return new StudentBuilder()
                 .setGroupNumber(record.get(GROUP_NUMBER))
                 .setAverageGrade(averageGrade)
-                .setRecordBookNumber(record.get(RECORD_BOOK_NUMBER))
+                .setRecordBookNumber(recordBookNumber)
                 .build();
     }