diff --git a/app/src/main/java/com/example/coen390_assignment2/Models/StudentProfileSurnameComparator.java b/app/src/main/java/com/example/coen390_assignment2/Models/StudentProfileSurnameComparator.java
new file mode 100644
index 0000000..2e65530
--- /dev/null
+++ b/app/src/main/java/com/example/coen390_assignment2/Models/StudentProfileSurnameComparator.java
@@ -0,0 +1,10 @@
+package com.example.coen390_assignment2.Models;
+
+import java.util.Comparator;
+
+public class StudentProfileSurnameComparator implements Comparator<StudentProfile> {
+    @Override
+    public int compare(StudentProfile profile1, StudentProfile profile2) {
+        return profile1.getSurname().compareTo(profile2.getSurname());
+    }
+}