diff --git a/DEV.2.1/CM-blanc/CM-1/Morpion.txt b/DEV.2.1/CM-blanc/CM-1/Morpion.txt
new file mode 100644
index 0000000..1f0d720
--- /dev/null
+++ b/DEV.2.1/CM-blanc/CM-1/Morpion.txt
@@ -0,0 +1,32 @@
+import java.awt.event
+
+public class MouseTrack implements MouseListener {
+	private int[] grille;
+	private int tour;
+	
+	public MouseTrack() {
+		super();
+		this.tour = 1;
+	}
+	
+	@Override
+	public void mouseClicked(MouseEvent evenement){ 	}          // un bouton cliqué
+		if(this.tour == 1){
+			return Cross();
+		} else {
+			return Rond();
+		}
+	}
+	
+	@Override
+	public void mouseEntered(MouseEvent evenement);          // debut du survol
+	
+	@Override
+	public void mouseExited(MouseEvent evenement);           // fin du survol
+	
+	@Override
+	public void mousePressed(MouseEvent evenement);          // un bouton appuyé
+	
+	@Override
+	public void mouseReleased(MouseEvent evenement);         // un bouton relâché
+}
\ No newline at end of file
diff --git a/DEV.2.1/cours-java/9 Flux d'octets.docx b/DEV.2.1/cours-java/9 Flux d'octets.docx
new file mode 100644
index 0000000..0ac4e46
Binary files /dev/null and b/DEV.2.1/cours-java/9 Flux d'octets.docx differ