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How can delete/hide the mid row(5)th row before it listed in jtable

Here i have an 1-10 row is listed in jtable i want to delete/hide the 5th row before it listed in jtable.
i set the rowheight but it affected the cellselection.Is there any way to hide/delete the row without affected the normal flow code?
If i remove the row it will throws ArrayIndexoutofBoundException.
in my project executed means one gui open in that gui listed the some string. In here we can add the more string via Add Button on popup Button
Here what i need is i have to hide the particular string. That string is placed on 1st row.
i need to hide the string from end user.
now u hope understand.

You can use the JTable row filtering support in order to hide certain rows without deleting them from the model. Also see this: How can I filter rows in a JTable?

You can eliminate rows in the table by calling the removeRow() method. If you want to just hide it instead of elimintaing it you need to customize the JTable's model to meet your specs on what to display.
http://docs.oracle.com/javase/tutorial/uiswing/components/table.html

using DefaultTableModel with JTable you should be able to use model.removeRow(int row) function to remove A row from JTable. There is no way to hide a row based on index as much as i know. However, If you need to hide and re-show mechanism you need to save the row prior to delete it and Save the removedRow in a ArrayList to re-use them.. Something as follows:
List<Vector>deletedRows = new ArrayList<>();
Vector removingRow = (Vector) model.getDataVector().get(5);
deletedRows.add(removingRow);
model.removeRow(5);

Using combobox as column header in javafx tableview

I am working with javafx2.2 and want to this thing don't know whether something already exist or not.
I need to add combobox to column header of a tableview but I want to retain functionality of clicking header and sort my data.
I know I can attach combobox using TableColumn.setgraphic(ComboBox); and use width of combobox and tablecol accordingly and have combobox on top of my column header but I don want this.
I want combobox to take complete space of my columnheader but with functionality of sorting on click.
Is it achievable? If yes then how?

Getting values from JTable cell

I made a column editable in Jtable.
I want old values from a cell when I have finished editing a cell

You can get the value by using
table.getModel().getValueAt(row_index, col_index);
where table is the name of the table and it will return an Object
Go through this Getting cell value. It may be useful for you.

You can use a TableCellListener, like they show here. It uses a PropertyChangeEvent to keep track of the old and new values.

You also could create your own implementation of a TableModel and override the setValueAt method to keep track of the changes.

Add a TableModelListener to your TableModel. Whenever an event fires you can updated the contents of your text field with the new value in the cell.

adding JComboBox to a jTable with specific data per row

I am trying to add a JComboBox to the last column of my JTable. The JComboBox isn't for editing purposes but for traversing the JTable itself. Each row can have 0-many elements that need to go in the JComboBox and when a value is selected from the box I need to scroll to a different row in the JTable.
All the research I have done points me specifically to editors and renderers with the down fall being that data in the JComboBox is set per column so that a user can select a value for the cell in the row. Where as I need values that are specific to the row.
So my question is, has anyone tried to do this before? and Can you point me to some good information on how to do this? or even better could you describe how you did this?

1/ simple example here, your job is only to move (hold) TableCellEditor to the last row in the TableView,
2/ if JComboBox's Item changed then search in TableModel for TableRow (if every TableColumns ends with JComboBox)
3/ then call myTable.changeSelection(row, column, false, false);
4/ possible fauls implemented and used RowSorter, RowFilter, then you have to get int row from TableView and convert that to the TableModel by using
int modelRow = convertRowIndexToModel(row);

How to programmatically deselect the currently selected row in a JTable (swing)?

I want to programmatically deselect the currently selected row (or rows) in a JTable.
Basically I want the opposite of this:
JTable table = ...;
table.setRowSelectionInterval(x,x);
I tried (with little hope) using:
table.setRowSelectionInterval(-1,-1)
or
table.setRowSelectionInterval(1,0)
but it doesn't work.

There is a method on JTable called clearSelection. This, in turn calls clearSelection on the ListSelectionModel of the table and the column model.

I believe you can use this:
table.getSelectionModel().clearSelection().
The SelectionModel is what actually handles the selection. JTable just has a few shortcuts.