Search:

With your current setup (with only column 7 enabled), add this to the end of your code:

System.out.println(list.isCellEditable(0,7)+"");...

Ok. Wait, so if you set the table to be fully editable, are you 100% the button works?

Just as an exercise in testing andbin's theory, tell me if this changes the result:

@Override
public boolean isCellEditable(int rowIndex,int columnIndex) {
if(columnIndex ==...

I would recommend extending DefaultTableModel, not AbstractTableModel. The reason being is that DefaultTableModel would have existing functionality which you may have overlooked. It is more of a...