From e47732b9ec2d1758912b53de8445418d16248fc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=92=D0=BE=D0=BB=D0=BE=D0=B4=D0=B8=D0=BD=20=D0=93=D0=B5?=
 =?UTF-8?q?=D1=80=D0=BC=D0=B0=D0=BD?= <make_life_better@mail.ru>
Date: Fri, 28 Aug 2026 12:14:10 +0400
Subject: [PATCH] fix: correct student group comparator

---
 .../main/java/ru/project/sorting/StudentGroupComparator.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/ru/project/sorting/StudentGroupComparator.java b/app/src/main/java/ru/project/sorting/StudentGroupComparator.java
index b23496e..75cae82 100644
--- a/app/src/main/java/ru/project/sorting/StudentGroupComparator.java
+++ b/app/src/main/java/ru/project/sorting/StudentGroupComparator.java
@@ -6,7 +6,7 @@ import java.util.Comparator;
 public class StudentGroupComparator implements Comparator<Student> {
 
     @Override
-    public String compare(Student s1, Student s2) {
-        return Integer.compare(s1.getGroupNumber(), s2.getGroupNumber());
+    public int compare(Student s1, Student s2) {
+        return s1.getGroupNumber().compareTo(s2.getGroupNumber());
     }
 }