diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..81813dc
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "java.project.referencedLibraries": [
+        "lib/**/*.jar",
+        "DEV3.1/BDD_java/mariadb-java-client-3.2.0.jar",
+        "c:\\Users\\simon\\Downloads\\mysql-connector-j-8.2.0.jar"
+    ]
+}
\ No newline at end of file
diff --git a/DEV3.1/BDD_java/mariadb-java-client-3.2.0.jar b/DEV3.1/BDD_java/mariadb-java-client-3.2.0.jar
new file mode 100644
index 0000000..20a6e72
Binary files /dev/null and b/DEV3.1/BDD_java/mariadb-java-client-3.2.0.jar differ
diff --git a/DEV3.1/BDD_java/vote.class b/DEV3.1/BDD_java/vote.class
index 27c0b18..85c4f56 100644
Binary files a/DEV3.1/BDD_java/vote.class and b/DEV3.1/BDD_java/vote.class differ
diff --git a/DEV3.1/BDD_java/vote.java b/DEV3.1/BDD_java/vote.java
index 6cd23bd..9954575 100644
--- a/DEV3.1/BDD_java/vote.java
+++ b/DEV3.1/BDD_java/vote.java
@@ -11,14 +11,15 @@ public class vote
     
         try 
         {
+            Class.forName("org.mariadb.jdbc.Driver");
             Connection cnx = DriverManager.getConnection("jdbc:mariadb://dwarves.iut-fbleau.fr/sayebabu","sayebabu", "kjrzB5S4kqKAwdT");
             try 
             {
-                PreparedStatement pst = cnx.prepareStatement("SELECT PaysID FROM `Pays` WHERE Pays = '?'");
+                PreparedStatement pst = cnx.prepareStatement("SELECT PaysID FROM `Pays` WHERE Pays = ?");
                 pst.setString(1, args[0]);
                 ResultSet rs = pst.executeQuery();
                 int paysID = rs.getInt(1);
-                pst = cnx.prepareStatement("SELECT PaysVoteID, Points FROM `Comp` WHERE PaysCompID = '?'");
+                pst = cnx.prepareStatement("SELECT PaysVoteID, Points FROM `Comp` WHERE PaysCompID = ?");
                 pst.setInt(1, paysID);
 
                 int sumVote = 0;
@@ -28,7 +29,7 @@ public class vote
                     int votants = rs.getInt(2);
                     sumVote+=votants;
 
-                    PreparedStatement pst2 = cnx.prepareStatement("SELECT Pays FROM `Pays` WHERE PaysID = '?'");
+                    PreparedStatement pst2 = cnx.prepareStatement("SELECT Pays FROM `Pays` WHERE PaysID = ?");
                     pst2.setInt(1, comp);
                     ResultSet rs2 = pst.executeQuery();
                     rs2.next();
@@ -43,13 +44,13 @@ public class vote
             catch (Exception e) 
             {
                 cnx.close();
-                System.out.printf("TA MERE");
+                System.out.printf("TA MERE2"+e);
                 
             }
         } 
         catch (Exception e) 
         {
-          System.out.printf("TA MERE");  
+          System.out.printf("TA MERE1"+ e);  
         }
     }
 }
diff --git a/DEV3.2/Florent/TD4/ADN.java b/DEV3.2/Florent/TD4/ADN.java
new file mode 100644
index 0000000..e69de29