diff --git a/DEV.3.1/TP/TP3/ex1/Controleur.class b/DEV.3.1/TP/TP3/ex1/Controleur.class
new file mode 100644
index 0000000..33df858
Binary files /dev/null and b/DEV.3.1/TP/TP3/ex1/Controleur.class differ
diff --git a/DEV.3.1/TP/TP3/ex1/Controleur.java b/DEV.3.1/TP/TP3/ex1/Controleur.java
new file mode 100644
index 0000000..be2ff7c
--- /dev/null
+++ b/DEV.3.1/TP/TP3/ex1/Controleur.java
@@ -0,0 +1,19 @@
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.event.WindowListener;
+import javax.swing.*;
+
+public class Controleur extends WindowAdapter {
+
+	public Controleur() {
+		
+	}
+
+	// avant fermeture
+	@Override
+	public void windowClosing(WindowEvent evenement) {
+		JOptionPane.showConfirmDialog(null, "Êtes-vous sûr de vouloir fermer cette fenêtre ?");
+		System.exit(0);
+	}
+
+}	
\ No newline at end of file
diff --git a/DEV.3.1/TP/TP3/ex1/Main.class b/DEV.3.1/TP/TP3/ex1/Main.class
new file mode 100644
index 0000000..e9620cd
Binary files /dev/null and b/DEV.3.1/TP/TP3/ex1/Main.class differ
diff --git a/DEV.3.1/TP/TP3/ex1/Main.java b/DEV.3.1/TP/TP3/ex1/Main.java
new file mode 100644
index 0000000..6a35ca2
--- /dev/null
+++ b/DEV.3.1/TP/TP3/ex1/Main.java
@@ -0,0 +1,6 @@
+public class Main {
+	public static void main(String[] args) {
+		Vue vue = new Vue();
+		Controleur controleur = new Controleur();
+	}
+}
\ No newline at end of file
diff --git a/DEV.3.1/TP/TP3/ex1/Vue.class b/DEV.3.1/TP/TP3/ex1/Vue.class
new file mode 100644
index 0000000..fcbc1cf
Binary files /dev/null and b/DEV.3.1/TP/TP3/ex1/Vue.class differ
diff --git a/DEV.3.1/TP/TP3/ex1/Vue.java b/DEV.3.1/TP/TP3/ex1/Vue.java
new file mode 100644
index 0000000..5efc009
--- /dev/null
+++ b/DEV.3.1/TP/TP3/ex1/Vue.java
@@ -0,0 +1,93 @@
+import java.awt.*;
+import javax.swing.*;
+
+public class Vue extends JFrame {
+
+	private JButton un,deux,trois,quatre,cinq;
+	private Controleur controleur;
+
+	public Vue() {
+		super("Boutons");
+		this.setSize(500,500);
+		this.setLocationRelativeTo(null);
+		this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
+
+		this.setLayout(new GridBagLayout());
+
+		this.un = new JButton("1");
+		this.deux = new JButton("2");
+		this.trois = new JButton("3");
+		this.quatre = new JButton("4");
+		this.cinq = new JButton("5");
+		this.controleur = new Controleur();
+
+// Contrainte du bouton 1 en haut à gauche
+		GridBagConstraints contrainte1 = new GridBagConstraints();
+		contrainte1.gridx = 0;
+		contrainte1.gridy = 0;
+		contrainte1.gridwidth = 2;
+		contrainte1.gridheight = 1;
+		contrainte1.fill = GridBagConstraints.BOTH; 
+		contrainte1.anchor = GridBagConstraints.CENTER;
+		contrainte1.weightx = 1.0;
+		contrainte1.weighty = 1.0;
+
+		this.add(this.un, contrainte1);
+
+// Contrainte du bouton 2 en haut à droite
+		GridBagConstraints contrainte2 = new GridBagConstraints();
+		contrainte2.gridx = 2;
+		contrainte2.gridy = 0;
+		contrainte2.gridwidth = 1;
+		contrainte2.gridheight = 2;
+		contrainte2.fill = GridBagConstraints.BOTH; 
+		contrainte2.anchor = GridBagConstraints.CENTER;
+		contrainte2.weightx = 1.0;
+		contrainte2.weighty = 1.0;
+
+		this.add(this.deux, contrainte2);
+
+// Contrainte du bouton 3 en bas à droite
+		GridBagConstraints contrainte3 = new GridBagConstraints();
+		contrainte3.gridx = 1;
+		contrainte3.gridy = 2;
+		contrainte3.gridwidth = 2;
+		contrainte3.gridheight = 1;
+		contrainte3.fill = GridBagConstraints.BOTH; 
+		contrainte3.anchor = GridBagConstraints.CENTER;
+		contrainte3.weightx = 1.0;
+		contrainte3.weighty = 1.0;
+
+		this.add(this.trois, contrainte3);
+
+// Contrainte du bouton 3 en bas à gauche
+		GridBagConstraints contrainte4 = new GridBagConstraints();
+		contrainte4.gridx = 0;
+		contrainte4.gridy = 1;
+		contrainte4.gridwidth = 1;
+		contrainte4.gridheight = 2;
+		contrainte4.fill = GridBagConstraints.BOTH; 
+		contrainte4.anchor = GridBagConstraints.CENTER;
+		contrainte4.weightx = 1.0;
+		contrainte4.weighty = 1.0;
+
+		this.add(this.quatre, contrainte4);
+
+// Contraite du bouton 5 au milieu
+		GridBagConstraints contrainte5 = new GridBagConstraints();
+		contrainte5.gridx = 1;
+		contrainte5.gridy = 1;
+		contrainte5.gridwidth = 1;
+		contrainte5.gridheight = 1;
+		contrainte5.fill = GridBagConstraints.BOTH; 
+		contrainte5.anchor = GridBagConstraints.CENTER;
+		contrainte5.weightx = 1.0;
+		contrainte5.weighty = 1.0;
+
+		this.add(this.cinq, contrainte5);
+
+		this.addWindowListener(this.controleur);
+
+		this.setVisible(true);
+	}
+}
\ No newline at end of file