ajout de l'attribut value à la classe Student

tp1/Student.java

@@ -9,6 +9,7 @@ public class Student {
   private final String firstName;
   private final String lastName;
   private final List<TeachingUnitResult> results;
+    private int value;
 
   /**
    * Constructs a student with the specified first name and last name and no associated results.