JTable - No column name

I am implementing a grid structure using class JTable with 'n' number of rows and single column. The data for 'n' rows will be read from a vector.
I don't want to give any column name. How should I do this?
Thanks.

Maybe something like this:
Object[][] data = { {"1", "A"}, {"2", "B"}, {"3", "C"}, {"4", "D"} };
String[] columnNames = new String[2];
DefaultTableModel model = new DefaultTableModel(data, columnNames);
JTable table = new JTable(model);
table.setTableHeader( null );

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