//masukin combo box belum di test
 public void setteambox(JComboBox<String> list_team) {
        connect();
        try {
            String query = "SELECT * FROM team";
            rs = stmt.executeQuery(query);
            while (rs.next()){
                String name = rs.getString("name");
                list_team.addItem(name);

            }
        } catch (SQLException ex) {
            Logger.getLogger(Database.class.getName()).log(Level.SEVERE, null, ex);
        }
        disconnect();
    }