diff --git a/src/tp04/UseYearGroup.java b/src/tp04/UseYearGroup.java
new file mode 100644
index 0000000000000000000000000000000000000000..630802d2580bbf25abf4768cd1331ff601f1e5aa
--- /dev/null
+++ b/src/tp04/UseYearGroup.java
@@ -0,0 +1,18 @@
+package tp04;
+
+public class UseYearGroup {
+    
+    public static void main (String[] args) {
+        
+        YearGroup yg = new YearGroup();
+
+        yg.addStudent(new StudentAbs("Alice", "A.", 18, 2));
+        yg.addStudent(new StudentAbs("Bob", "B.", 3, 2));
+        yg.addStudent(new StudentAbs("Carlos", "C.", 6, 18));
+        yg.addStudent(new StudentAbs("Dimitri", "D.", 4, 19));
+
+        yg.validation();
+
+    }
+
+}
\ No newline at end of file