correction de bugs

java/APIGroupe/src/fr/iutfbleau/projetIHM2022FI2/ROOT/Model/Model.java

@@ -1,6 +1,7 @@
 package fr.iutfbleau.projetIHM2022FI2.ROOT.Model;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
+import java.util.Iterator;
 import java.util.Set;
 import java.sql.Connection;
 import java.sql.ResultSet;
@@ -29,17 +30,12 @@ public class Model{
   private FenetreEtudiant fenEtu;
   private AbstractGroupeFactory promo;
   private JFrame fenetre; 
-  //private JTree tree;
   private BD bd;
   public Model(){
     this.fenetre=new JFrame();
     this.fenetre.setSize(1200, 720);
     this.fenetre.setLocation(100,100);
     this.fenetre.addWindowListener(new ObservateurFenetre());
-
-
-
-
     this.fenetre.setLayout(new GridLayout(1,2));
     this.fenetre.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
     this.fenetre.setMinimumSize(this.fenetre.getSize());