Table Editing Problems--- Please Help!!!

I have implemented a table model that adds an extra blank row . Now when
i enter some value into the first row and press enter i find that the value is lost. (the row goes blank and a new row is not added).the table model stores the new value though.
The table has 1 column and its header is set to null
here is the code
class ReportTableModel extends AbstractTableModel
     Object[][] data;
Vector rows ;
     public ReportTableModel(Vector rows) {
     this.rows = rows;
     setTableData();
     public int getColumnCount() {
               return 1;
     public int getRowCount() {
return rows.size()+1;
     public String getColumnName(int col) {
               return null;
     public boolean isCellEditable(int row,int col)
               return true;
     public Object getValueAt(int row, int col) {
          if (row == 0)
               return "";
          return data[row][col];
     public Class getColumnClass(int col) {
               return "".getClass();
     public void setValueAt(Object value, int row, int col) {
               data[row][col] = value.toString();
               rows.add(value.toString());
               setTableData();
     public void setTableData() {
data = new Object[rows.size()+1][1];
     for (int i=0,k=1; i < rows.size(); k++,i++) {
               data[k][0] = rows.get(i).toString();
               this.fireTableDataChanged();
Please help!!!!
Thank you,
Phani Kanuri

Do you add the new table to the scrollpane? Generally, it is wise to use table in constructor of JScrollPane.
JScrollPane jsp = new JScollPane(myTable);
// assuming myTable has been instantiated already
Cheers
DB

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