diff --git a/BUT1/DEV2.2/TP3-MiseEnPage/EXO1/exo1.java b/BUT1/DEV2.2/TP3-MiseEnPage/EXO1/exo1.java
index 94dd5b7..452fef0 100644
--- a/BUT1/DEV2.2/TP3-MiseEnPage/EXO1/exo1.java
+++ b/BUT1/DEV2.2/TP3-MiseEnPage/EXO1/exo1.java
@@ -39,4 +39,4 @@ public class exo1 {
     // et on montre le resultat
     fenetre.setVisible(true);
   }
-}
\ No newline at end of file
+}
diff --git a/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.class b/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.class
index c24fbc0..e30f2f0 100644
Binary files a/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.class and b/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.class differ
diff --git a/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.java b/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.java
index 633bedd..7688e9d 100644
--- a/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.java
+++ b/BUT1/DEV2.2/TP3-MiseEnPage/EXO3/exo3.java
@@ -2,31 +2,23 @@ import javax.swing.*;
 import java.awt.*;
 
 public class exo3 {
-    public static void main(String[] args) {
-        JFrame fenetre = new JFrame();
-        fenetre.setSize(500, 300);
-        fenetre.setLocation(300, 300);
-
-        JPanel panneauBouton = new JPanel();
-        JPanel panneauPrincipal = new JPanel();
-
-
-        JLabel texte = new JLabel("Aimez-vous les chiens ?");
-
-
-        JButton bouton1 = new JButton("Oui");
-        panneauBouton.add(bouton1);
-        JButton bouton2 = new JButton("Non");
-        panneauBouton.add(bouton2);
-        JButton bouton3 = new JButton("NSPP");
-        panneauBouton.add(bouton3);
-
-        panneauPrincipal.add(texte, BorderLayout.CENTER);
-        panneauPrincipal.add(panneauBouton, BorderLayout.SOUTH);
-        
-
-
-        fenetre.add(panneauPrincipal, BorderLayout.CENTER);
-        fenetre.setVisible(true);
-    }
-}
+  public static void main(String[] args) {
+    JFrame fenetre = new JFrame("Exo3");
+    fenetre.setSize(200, 200);
+    fenetre.setLocation(0, 0);
+    fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    FlowLayout flow = new FlowLayout(FlowLayout.CENTER);
+    fenetre.setLayout(flow);
+    JLabel panel = new JLabel("Aimez-vous les chiens ?");
+    panel.setPreferredSize(new Dimension(486, 20));
+    panel.setHorizontalAlignment(JLabel.CENTER);
+    JButton yes = new JButton("Oui");
+    JButton no = new JButton("Non");
+    JButton maybe = new JButton("NSPP");
+    fenetre.add(panel);
+    fenetre.add(yes);
+    fenetre.add(no);
+    fenetre.add(maybe);
+    fenetre.setVisible(true);
+  }
+}
\ No newline at end of file
diff --git a/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.class b/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.class
index 3536854..55e78ff 100644
Binary files a/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.class and b/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.class differ
diff --git a/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.java b/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.java
index 49f8fa0..cbbfb5c 100644
--- a/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.java
+++ b/BUT1/DEV2.2/TP3-MiseEnPage/EXO4/exo4.java
@@ -1,15 +1,66 @@
 import javax.swing.*;
 import java.awt.*;
 
-public class exo4{
-    public static void main(String[] args){
-        JFrame fenetre = new JFrame();
-        fenetre.setSize(600,400);
-        fenetre.setLocation(300,300);
+public class exo4 {
+  public static void main(String[] args) {
+    JFrame fenetre = new JFrame("Exo4");
+    fenetre.setSize(500, 500);
+    fenetre.setLocation(0, 0);
+    fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    GridLayout gestionnaire = new GridLayout(3, 1);
+    fenetre.setLayout(gestionnaire);
+
+    JLabel texte1 = new JLabel("Mystral");
+    JLabel texte2 = new JLabel("texte2");
+    JLabel texte3 = new JLabel("texte3");
+    JLabel texte4 = new JLabel("texte4");
+    JLabel texte5 = new JLabel("texte5");
+    JLabel texte6 = new JLabel("texte6");
+    JLabel texte7 = new JLabel("texte7");
+    JLabel texte8 = new JLabel("texte8");
+
+    // Texte n°1 : 
+    texte1.setHorizontalAlignment(JLabel.LEFT);
+    texte1.setVerticalAlignment(JLabel.TOP);
+
+    // Texte n°2 : 
+    texte2.setHorizontalAlignment(JLabel.CENTER);
+    texte2.setVerticalAlignment(JLabel.TOP);
+
+    // Texte n°3 : 
+    texte3.setHorizontalAlignment(JLabel.RIGHT);
+    texte3.setVerticalAlignment(JLabel.TOP);
+
+    // Texte n°4 : 
+    texte4.setHorizontalAlignment(JLabel.LEFT);
+    texte4.setVerticalAlignment(JLabel.CENTER);
+
+    // Texte n°5 : 
+    texte5.setHorizontalAlignment(JLabel.RIGHT);
+    texte5.setVerticalAlignment(JLabel.CENTER);
+
+    // Texte n°6 : 
+    texte6.setHorizontalAlignment(JLabel.LEFT);
+    texte6.setVerticalAlignment(JLabel.BOTTOM);
+
+    // Texte n°7 : 
+    texte7.setHorizontalAlignment(JLabel.CENTER);
+    texte7.setVerticalAlignment(JLabel.BOTTOM);
+
+    // Texte n°8 : 
+    texte8.setHorizontalAlignment(JLabel.RIGHT);
+    texte8.setVerticalAlignment(JLabel.BOTTOM);
+
+    fenetre.add(texte1);
+    fenetre.add(texte2);
+    fenetre.add(texte3);
+    fenetre.add(texte4);
+    fenetre.add(texte5);
+    fenetre.add(texte6);
+    fenetre.add(texte7);
+    fenetre.add(texte8);
 
 
-        GridLayout gestionnaire = new GridLayout(3,0);
-
-        fenetre.setVisible(true);
-    }
+    fenetre.setVisible(true);
+  }
 }
\ No newline at end of file