if (col < columnNames.length){ Vector tmp = (Vector)filteredData.get(row);
Vector tmp = (Vector)filteredData.get(row); if (col < tmp.size()){
    public Object getValueAt(int row, int col) {        if (col < columnNames.length){            Vector tmp = (Vector)filteredData.get(row);            Object data = tmp.get(col);            return data;        }        return null;    }