fix: correct student group comparator

2026-08-28 12:14:10 +04:00
parent 633694d875
commit e47732b9ec
1 changed files with 2 additions and 2 deletions
@@ -6,7 +6,7 @@ import java.util.Comparator;
 public class StudentGroupComparator implements Comparator<Student> {
    @Override
-    public String compare(Student s1, Student s2) {
+    public int compare(Student s1, Student s2) {
-        return Integer.compare(s1.getGroupNumber(), s2.getGroupNumber());
+        return s1.getGroupNumber().compareTo(s2.getGroupNumber());
    }
 }