diff --git a/DEV 3.1/TP3/Boutons/Butons.java b/DEV 3.1/TP3/Boutons/Butons.java
new file mode 100644
index 0000000..d9b0b58
--- /dev/null
+++ b/DEV 3.1/TP3/Boutons/Butons.java	
@@ -0,0 +1,128 @@
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.*;
+
+public class Butons {
+
+    public static void main(String[] args) {
+        JFrame f = new JFrame();
+        GridBagLayout gbl = new GridBagLayout();
+        f.setLayout(gbl);
+
+        GridBagConstraints c = new GridBagConstraints();
+
+        JButton b1 = new JButton("1");
+        c.gridx = 1;
+        c.gridy = 1;
+        c.gridwidth = 2;
+        c.gridheight = 1;
+        c.fill = GridBagConstraints.BOTH;
+        c.anchor = GridBagConstraints.CENTER;
+        c.insets = new Insets(0, 0, 0, 0);
+        c.weightx = 1f;
+        c.weighty = 1f;
+        f.add(b1, c);
+
+        JButton b2 = new JButton("2");
+        c.gridx = 3;
+        c.gridy = 1;
+        c.gridwidth = 1;
+        c.gridheight = 2;
+        c.fill = GridBagConstraints.BOTH;
+        c.anchor = GridBagConstraints.CENTER;
+        c.insets = new Insets(0, 0, 0, 0);
+        c.weightx = 1f;
+        c.weighty = 1f;
+        f.add(b2, c);
+
+        JButton b3 = new JButton("3");
+        c.gridx = 2;
+        c.gridy = 3;
+        c.gridwidth = 2;
+        c.gridheight = 1;
+        c.fill = GridBagConstraints.BOTH;
+        c.anchor = GridBagConstraints.CENTER;
+        c.insets = new Insets(0, 0, 0, 0);
+        c.weightx = 1f;
+        c.weighty = 1f;
+        f.add(b3, c);
+
+        JButton b4 = new JButton("4");
+        c.gridx = 1;
+        c.gridy = 2;
+        c.gridwidth = 1;
+        c.gridheight = 2;
+        c.fill = GridBagConstraints.BOTH;
+        c.anchor = GridBagConstraints.CENTER;
+        c.insets = new Insets(0, 0, 0, 0);
+        c.weightx = 1f;
+        c.weighty = 1f;
+        f.add(b4, c);
+
+        JButton b5 = new JButton("5");
+        b5.setPreferredSize(new Dimension(75, 75));
+        c.gridx = 2;
+        c.gridy = 2;
+        c.gridwidth = 1;
+        c.gridheight = 1;
+        c.fill = GridBagConstraints.BOTH;
+        c.anchor = GridBagConstraints.CENTER;
+        c.insets = new Insets(0, 0, 0, 0);
+        c.weightx = 0f;
+        c.weighty = 0f;
+        f.add(b5, c);
+
+        f.addWindowListener(new WindowListener() {
+
+            @Override
+            public void windowActivated(WindowEvent e) {
+                // TODO Auto-generated method stub
+                
+            }
+
+            @Override
+            public void windowClosed(WindowEvent e) {
+                // TODO Auto-generated method stub
+                
+            }
+
+            @Override
+            public void windowClosing(WindowEvent e) {
+                int confirm = JOptionPane.showConfirmDialog(f, "Voulez-vous vraiment fermer la fenêtre ?");
+                if (confirm == 0) {
+                    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+                }  else {
+                    f.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
+                }
+            }
+
+            @Override
+            public void windowDeactivated(WindowEvent e) {
+                // TODO Auto-generated method stub
+                
+            }
+
+            @Override
+            public void windowDeiconified(WindowEvent e) {
+                // TODO Auto-generated method stub
+                
+            }
+
+            @Override
+            public void windowIconified(WindowEvent e) {
+                // TODO Auto-generated method stub
+                
+            }
+
+            @Override
+            public void windowOpened(WindowEvent e) {
+                // TODO Auto-generated method stub
+                
+            }
+            
+        });
+
+        f.setSize(225, 225);
+        f.setVisible(true);
+    }
+}
\ No newline at end of file
diff --git a/DEV 3.1/TP3/Tableau/Tableau.java b/DEV 3.1/TP3/Tableau/Tableau.java
new file mode 100644
index 0000000..237fe2b
--- /dev/null
+++ b/DEV 3.1/TP3/Tableau/Tableau.java	
@@ -0,0 +1,46 @@
+import java.sql.*;
+import javax.swing.*;
+import java.awt.*;
+
+public class Tableau {
+    public static void main(String[] args) {
+        try {
+            Class.forName("org.mariadb.jdbc.Driver");
+        } catch (ClassNotFoundException ex) {
+            System.err.println("MariaDB driver not found");
+            return;
+        }
+
+
+        Connection cnx;
+        try {
+            cnx = DriverManager.getConnection("jdbc:mariadb://dwarves.iut-fbleau.fr/horville", "horville", "a5gc95");
+        } catch (SQLException ex) {
+            System.err.println("Unable to access Database.");
+            return;
+        }
+        
+        try {
+            PreparedStatement req = cnx.prepareStatement("SELECT Module.code, Champ.code FROM Champ JOIN Module ON Champ.id = Module.id ORDER BY Module.code ASC;");
+            req.executeUpdate();
+            ResultSet rs = req.executeQuery();
+
+            while (rs.next()) {
+                System.out.println(rs.getString(1) + " " + rs.getString(2));
+            }
+            
+            rs.close();
+            req.close();
+            
+        } catch (SQLException ex) {
+            System.err.println("SQL Request exception.");
+            System.err.println (ex);
+        }
+
+        try {
+            cnx.close();
+        } catch (SQLException ex) {
+            System.err.println("Unable to close connection.");
+        }
+    }
+}