JTable não mostrando DADOS :: URGENTE ::

package modelos;

import java.util.Date;

/**
 *
 * @author Wagner Vielmond
 */
public class Observacoes {

    private Integer id;
    private Integer idod;
    private String dados;
    private Boolean sel;
    private Date data;

    public Date getDate(){
        return data;
    }

    public void setDate(Date data){
        this.data = data;
    }

    public String getDados(){
        return dados;
    }

    public void setdDados(String dados){
        this.dados = dados;
    }

    public Integer getId(){
        return id;
    }

    public Integer getIdOd(){
        return idod;
    }

    public void setId(int id){
        this.id = id;
    }

    public void setIdOd(int idod){
        this.idod = idod;
    }

    public Boolean getSel(){
        return sel;
    }

    public void setSel(Boolean sel){
        this.sel = sel;
    }
}

package modelos;

import java.util.ArrayList;
import java.util.List;
import javax.swing.table.AbstractTableModel;

public class TableModel extends AbstractTableModel{

    private List<Observacoes> list = new ArrayList<Observacoes>();

    public TableModel(){

    }

//    public Observacoes get(int row){
//        return list.get(row);
//    }

    public void insert(Observacoes obs){
        list.add(obs);
        fireTableDataChanged();
    }

    public void update(int row,Observacoes obs){
        list.set(row, obs);
        fireTableDataChanged();
    }

    public void delete(int row){
        list.remove(row);
        fireTableDataChanged();
    }

    public void setData(List<Observacoes> list){
        this.list = list;
        fireTableDataChanged();
    }

    @Override
    public String getColumnName(int column) {
        switch(column){
            case 0: return "Id";
            case 1: return "Obs";
            case 2: return "Dados";
            case 3: return "Sel";
            case 4: return "Data";
            default: return null;
        }
    }

    public int getRowCount() {
        return list.size();
    }

    public int getColumnCount() {
        return 5;
    }

    public Object getValueAt(int rowIndex, int columnIndex) {
        switch(columnIndex){
            case 0: return list.get(rowIndex).getId();
            case 1: return list.get(rowIndex).getIdOd();
            case 2: return list.get(rowIndex).getDados();
            case 3: return list.get(rowIndex).getSel();
            case 4: return list.get(rowIndex).getDate();
            default: return null;
        }
    }

}

public void Obs()
    {   
        Date datOBS = null;
        String obs = "";
        DateFormat formatter = new SimpleDateFormat("yyyy/MM/dd");
        try {
            datOBS = new java.sql.Date(((java.util.Date) formatter.parse(d)).getTime());
        } catch (ParseException ex) {
            Logger.getLogger(consultaExtratos.class.getName()).log(Level.SEVERE, null, ex);
        }
    try {
        obj_conexao.executeSQL("SELECT od.id_od,od.id_obs,od.dados,od.sel,od.data "
                                +"FROM OBS_DADOS od "
                                +"LEFT JOIN OBSERVACOES o ON od.id_obs = o.id_obs "
                                +"WHERE o.id_conta = "+LabelIdConta.getText()+" and od.id_obs = o.id_obs and '"+datOBS+"' BETWEEN o.DATAI AND o.DATAF");
        while (obj_conexao.resultset.next()) {
            String[] dados = new String[5];
            dados[0] = obj_conexao.resultset.getString("id_od");
            dados[1] = obj_conexao.resultset.getString("id_obs");
            dados[2] = obj_conexao.resultset.getString("dados");
            dados[3] = obj_conexao.resultset.getString("sel");
            dados[4] = obj_conexao.resultset.getString("data");
.
           //aqui deveria ter o tableModel.addRow(dados); porém nao consigo adicionar, pq? e nao aparece nada ao executar
        }
    }
    catch (SQLException e) {
        e.printStackTrace();
    }
        
    }

class MyTableModel extends AbstractTableModel {
    private String[] columnNames = { "First Name", "Last Name", "Sport",
        "# of Years", "Vegetarian" };

    private Object[][] data = { // aki nao consigo fazer pegar do banco de dados...
        { "Mary", new Boolean(false) },
        { "Alison", new Boolean(true) },
        { "Kathy", new Boolean(false) },
        { "Sharon", new Boolean(true) },
        { "Philip",  new Boolean(false) } };

    public int getColumnCount() {
      return columnNames.length;
    }

    public int getRowCount() {
      return data.length;
    }

    public String getColumnName(int col) {
      return columnNames[col];
    }

    public Object getValueAt(int row, int col) {
      return data[row][col];
    }

    /*
     * JTable uses this method to determine the default renderer/ editor for
     * each cell. If we didn't implement this method, then the last column
     * would contain text ("true"/"false"), rather than a check box.
     */
    public Class getColumnClass(int c) {
      return getValueAt(0, c).getClass();
    }

    /*
     * Don't need to implement this method unless your table's editable.
     */
    public boolean isCellEditable(int row, int col) {
      //Note that the data/cell address is constant,
      //no matter where the cell appears onscreen.
      if (col < 2) {
        return false;
      } else {
        return true;
      }
    }

    /*
     * Don't need to implement this method unless your table's data can
     * change.
     */
    public void setValueAt(Object value, int row, int col) {
      if (DEBUG) {
        System.out.println("Setting value at " + row + "," + col
            + " to " + value + " (an instance of "
            + value.getClass() + ")");
      }

      data[row][col] = value;
      fireTableCellUpdated(row, col);

      if (DEBUG) {
        System.out.println("New value of data:");
        printDebugData();
      }
    }

    private void printDebugData() {
      int numRows = getRowCount();
      int numCols = getColumnCount();

      for (int i = 0; i < numRows; i++) {
        System.out.print("    row " + i + ":");
        for (int j = 0; j < numCols; j++) {
          System.out.print("  " + data[i][j]);
        }
        System.out.println();
      }
      System.out.println("--------------------------");
    }
  }