Table

package Stock;

public class Table extends javax.swing.JFrame {

    private ArrayList<HashMap> data;
    private DefaultTableModel model;
    /**
     * Creates new form Table
     */
    public Table() {
        initComponents();
        this.setLocationRelativeTo(null);
        ButtonGroup bg = new ButtonGroup();
        jRadioButton1.setSelected(true);
        bg.add(jRadioButton1);
        bg.add(jRadioButton2);
    }

    public Table(String st){
        this();
        st = st.substring(0,1).toUpperCase() + st.substring(1);
        jLabel3.setText(st);
        updateTable(true);
    }

    public void updateTable(boolean reset) {
      DefaultTableModel model = (DefaultTableModel) jTable2.getModel();
      model.setNumRows(0);
      if (reset)
      {
       data = getAllProducts();
      }
      for (HashMap d : data)
      {
       Object[] cData = new Object[] {
        d.get("ID").toString(),
        d.get("Product").toString(),
        d.get("Price").toString(),
        d.get("Cost").toString(),
        d.get("Revenue").toString(),
        d.get("Amount").toString()};
       model.addRow(cData);
      }
      jTable2.setModel(model);
    }

}