You will need to implement your own javax.swing.table.TabelModel or extend the existing javax.swing.table.DefaultTableModel. Make getColumnCount() or getRowCount() return the number of rows or columns your model has minus the ones you want to hide. Then getValueAt will have to do some work to map the rows and cells you want to show to the ones in the model. To know when someone selects a row for display, you have to register as a listener with the JTable's ListSelectionModel. JTable is not a trivial thing to work with, that's why there's extensive coverage on it in the
Swing Tutorial
