some changes

DEV/DEV3.1/TP03/Exercise2/Database.java

@@ -0,0 +1,44 @@
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+
+public class Database {
+    
+    private Connection connection; 
+
+    public Database() {
+        try {
+            Class.forName("org.mariadb.jdbc.Driver");
+
+            this.connection = DriverManager.getConnection(
+                "jdbc:mariadb://dwarves.iut-fbleau.fr/baudrier",
+                "baudrier",
+                "baudrier"
+            );
+        } catch(ClassNotFoundException exception) {
+            System.err.println("Class 'org.mariadb.jdbc.Driver' not found.");
+        } catch(SQLException exception) {
+            System.err.println("Error while trying to connect to the database");
+        }
+    }
+
+    public Champ[] getAllData() {
+        PreparedStatement query = this.connection.prepareStatement("SELECT id, code FROM Champ");
+        ResultSet result = query.executeQuery();
+
+        while(result.next()) {
+            query = this.connection.prepareStatement("SELECT code FROM Modules WHERE champId = " + result.getInt("id"));
+        }
+    } 
+
+    public void close() {
+        try {
+            this.connection.close();
+        } catch(SQLException exception) {
+            System.err.println("Error while trying to close the connection.");
+        }
+    }
+}