java 1

public class data_penjualan extends javax.swing.JInternalFrame {

    private JTable table = null;
    private Connection con = null;
    SimpleDateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd");

    /**
     * Creates new form bahan
     */
    public data_penjualan() {
        initComponents();
        Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();
        setLocation((dim.width / 2) - (getSize().width / 2), (dim.height / 2) - (getSize().height / 2));
        tampilTabel();
        tanggal();
        update.setEnabled(false);
        table.setEnabled(false);
    }