public void Conexion(){
        try{
            Class.forName("com.mysql.jdbc.Driver");
            String user= "root";
            String password = "";
            DB = "jdbc:mysql://localhost:3306/jardineria";
            conexion = DriverManager.getConnection(DB,user,password);
             if(conexion != null)
            {
                dbmd = conexion.getMetaData();
                System.out.println("Nombre Base de datos: " + dbmd.getURL());
                JOptionPane.showMessageDialog(null,"Conectado con base de datos");
            }
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(QuerySql.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(QuerySql.class.getName()).log(Level.SEVERE, null, ex);
        }
    }