Since you are using new DefaultTableModel(head,0), you must be adding these boolean values later, right?
It is possible to get the checkbox to show in the table by messing with cell renderers and cell editors. Your code doesn't do anything with renderers, hence they don't show. (If you click in column #9 you should see your editor, though I haven't tried it.)
However, the easy way to do this is just to make sure you are returning Boolean.class for column #9 in your table model's getColumnClass() method. For you, this means subclassing DefaultTableModel, perhaps anonymously. This will give you your checkbox without having to mess with cell renderers or cell editors.