public Connect query = new Connect();
    public DefaultTableModel t;
    public ArrayList<String> data = new ArrayList<String>();
    /**
     * Creates new form Home
     */
    public Home() {
        initComponents();
        comboBoxSelect();
        t = (DefaultTableModel) jTable1.getModel();
        String[] columns = {"CustomerId", "FirstName", "LastName", "City", "Country", "Email"};
        data = query.select(columns, "Customers");

    }