diff --git a/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETA/EXO1/Sudoku/Menu.class b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETA/EXO1/Sudoku/Menu.class
new file mode 100644
index 0000000..5cdb358
Binary files /dev/null and b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETA/EXO1/Sudoku/Menu.class differ
diff --git a/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETA/EXO1/Sudoku/Nuance.java b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETA/EXO1/Sudoku/Nuance.java
new file mode 100644
index 0000000..e6a0c6e
--- /dev/null
+++ b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETA/EXO1/Sudoku/Nuance.java
@@ -0,0 +1,9 @@
+import javax.swing.*;
+import java.awt.*;
+
+public class Nuance {
+    private JPanel[] tableauPanneauNuance;
+    public Nuance(){
+    }
+
+}
\ No newline at end of file
diff --git a/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETB/EXO1/Decapite.class b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETB/EXO1/Decapite.class
new file mode 100644
index 0000000..0800153
Binary files /dev/null and b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETB/EXO1/Decapite.class differ
diff --git a/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETB/EXO1/Decapite.java b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETB/EXO1/Decapite.java
new file mode 100644
index 0000000..6541b09
--- /dev/null
+++ b/BUT1/CONTROLE/DEV2.1/Entrainement/SUJETB/EXO1/Decapite.java
@@ -0,0 +1,26 @@
+import java.awt.GraphicsEnvironment;
+
+public class Decapite{
+    private boolean isHeadless;
+    private boolean isHeadlessInstance;
+    private GraphicsEnvironment environnementGraphique;
+
+    public Decapite(){
+        this.environnementGraphique = GraphicsEnvironment.getLocalGraphicsEnvironment();
+        this.isHeadless = environnementGraphique.isHeadless();
+        this.isHeadlessInstance = environnementGraphique.isHeadlessInstance();
+    }
+
+    @Override
+    public String toString(){
+        String isHeadlessString = this.isHeadless ? "oui" : "non";
+        String isHeadlessInstanceString = this.isHeadlessInstance ? "oui" : "non";
+
+        return "isHeadless dit :      " + isHeadlessString + "\nisHeadlessInstance dit :" + isHeadlessInstanceString;
+    } 
+
+    public static void main(String[] args){
+        Decapite test = new Decapite();
+        test.toString();
+    }
+}
\ No newline at end of file