diff --git a/BUT1/DEV2.1/TD/Td.java b/BUT1/DEV2.1/TD/Td.java
new file mode 100644
index 0000000..af1d874
--- /dev/null
+++ b/BUT1/DEV2.1/TD/Td.java
@@ -0,0 +1,21 @@
+public interface FileFilter{
+    boolean accept(File f);
+}
+
+
+public class DirectoryFilter implements FileFilter{
+    @Override
+    public boolean accept(File f){
+        return f.isDirectory();
+    }
+}
+
+public class Exemple{
+    public static void main(String[] args){
+        File home = new File(System.getProperty("user.home"));
+        File[] liste = home.listFiles(new DirectoryFilter());
+        for(File f : liste){
+            System.out.println(f);
+        }
+    }
+}
\ No newline at end of file
diff --git a/BUT1/DEV2.1/TP2-ComposantsGraphique/EXO4/exo4.java b/BUT1/DEV2.1/TP2-ComposantsGraphique/EXO4/exo4.java
index 7947ca6..52b7ec9 100644
--- a/BUT1/DEV2.1/TP2-ComposantsGraphique/EXO4/exo4.java
+++ b/BUT1/DEV2.1/TP2-ComposantsGraphique/EXO4/exo4.java
@@ -7,7 +7,7 @@ public class exo4 {
     JFrame fenetre = new JFrame();
 
     // on configure la fenetre
-    fenetre.setSize(1200, 1000);
+    fenetre.setPreferredSize(1200, 1000);
     fenetre.setLocation(100, 100);
     fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 
diff --git a/BUT1/DEV2.1/TP4-ClassesEtObjets/EXO1/compteur.java b/BUT1/DEV2.1/TP4-ClassesEtObjets/EXO1/compteur.java
index 533c24d..e666cef 100644
--- a/BUT1/DEV2.1/TP4-ClassesEtObjets/EXO1/compteur.java
+++ b/BUT1/DEV2.1/TP4-ClassesEtObjets/EXO1/compteur.java
@@ -15,4 +15,5 @@ public class compteur {
     return Integer.toBinaryString(this.compte);
   }
   
-}
\ No newline at end of file
+}
+
diff --git a/BUT1/DEV2.1/TP5-Heritage/EXO2 b/BUT1/DEV2.1/TP5-Heritage/EXO2
deleted file mode 100644
index 90e1d11..0000000
--- a/BUT1/DEV2.1/TP5-Heritage/EXO2
+++ /dev/null
@@ -1,9 +0,0 @@
-import javax.swing.*;
-import java.awt.*;
-
-public class Gris extends Color {
-    // Constructeurs
-    public Gris(int a){
-        super(a,a,a);
-    }   
-}
\ No newline at end of file
diff --git a/BUT1/DEV2.1/TP5-Heritage/EXO2/Gris.class b/BUT1/DEV2.1/TP5-Heritage/EXO2/Gris.class
new file mode 100644
index 0000000..a3da4aa
Binary files /dev/null and b/BUT1/DEV2.1/TP5-Heritage/EXO2/Gris.class differ
diff --git a/BUT1/DEV2.1/TP5-Heritage/EXO2/Gris.java b/BUT1/DEV2.1/TP5-Heritage/EXO2/Gris.java
new file mode 100644
index 0000000..5b0180b
--- /dev/null
+++ b/BUT1/DEV2.1/TP5-Heritage/EXO2/Gris.java
@@ -0,0 +1,28 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class Gris extends Color {
+    // Constructeurs
+    public Gris(int a){
+        super(a,a,a);
+    }
+
+    public static void main(String args[]){
+        // Création d'une fenêtre + configuration
+        JFrame fenetre = new JFrame();
+        fenetre.setSize(500, 500);
+        fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        // Création d'une variable de type couleur avec les données d'un gris
+        Color couleur = new Gris(120);
+
+        // Création d'un panneau + ajout de la couleur de fond gris
+        JPanel panneau = new JPanel();
+        panneau.setBackground(couleur);
+        // Ajout du panneau à la fenêtre
+        fenetre.add(panneau);
+
+        // Affichage de la fenêtre
+        fenetre.setVisible(true);
+    }
+}
\ No newline at end of file
diff --git a/BUT1/DEV2.1/TP5-Heritage/EXO3/PaperEnCm.java b/BUT1/DEV2.1/TP5-Heritage/EXO3/PaperEnCm.java
new file mode 100644
index 0000000..cc39a9d
--- /dev/null
+++ b/BUT1/DEV2.1/TP5-Heritage/EXO3/PaperEnCm.java
@@ -0,0 +1,16 @@
+public class PaperEnCm extends Paper {
+
+    // Attributs
+    private double Width_A4 = 8.27;
+    private double Height_A4 = 11.69;
+    private double Margin = 0.590551; // 1.5 cm to inches
+
+    // Constructeur
+    public PaperEnCm() {
+        Paper papier = new Paper();
+        setSize(Width_A4, Height_A4);
+        setImageableArea(Margin, Margin,Width_A4,Height_A4);
+    }
+
+    public double getMetric()
+}
diff --git a/BUT1/DEV2.1/TP5-Heritage/EXO4/Nuancier.class b/BUT1/DEV2.1/TP5-Heritage/EXO4/Nuancier.class
new file mode 100644
index 0000000..56d97b1
Binary files /dev/null and b/BUT1/DEV2.1/TP5-Heritage/EXO4/Nuancier.class differ
diff --git a/BUT1/DEV2.1/TP5-Heritage/EXO4/Nuancier.java b/BUT1/DEV2.1/TP5-Heritage/EXO4/Nuancier.java
new file mode 100644
index 0000000..2c7935e
--- /dev/null
+++ b/BUT1/DEV2.1/TP5-Heritage/EXO4/Nuancier.java
@@ -0,0 +1,20 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class Nuancier{
+    public static void main(String args[]){
+        JFrame fenetre = new JFrame("Nuancier");
+        fenetre.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        JPanel panneau = new JPanel();
+        for(String element : args){
+            System.out.println(element.decode());
+        }
+        fenetre.add(panneau);
+
+
+        fenetre.pack();
+        fenetre.setVisible(true);
+
+    }
+}
\ No newline at end of file