public abstract class AbstractTableFieldBeanData extends AbstractFormFieldData implements ITableBeanHolder {
  //..

  /**
   * @return Returns all rows.
   */
  @Override
  public AbstractTableRowData[] getRows() {
    return m_rowList.toArray((AbstractTableRowData[]) Array.newInstance(getRowType(), m_rowList.size()));
  }

  //..
}

 public static class Answers extends AbstractTableFieldBeanData {
  //..

  @Override
  public AnswersRowData[] getRows() {
    return (AnswersRowData[]) super.getRows();
  }

  //..
}