Java, change a cell content as a function of another cell in the same row

Question

I need some help for my problem. I have a table with e.g. a double column and a string column. If the value in the double column is negativ, the string should be \"negativ\"

Answer 1

You do indeed have access to the TableModel, if I'm not mistaken, through TableModelEvent.getSource().

Just to provide a basic example (mostly because the one sentance answer hardly seems like much of an answer):

TableModel model = (TableModel)te.getSource();
Double number = model.getValueAt(te.firstRow, 0);
model.setValueAt(((number < 0) ? "negativ":"positiv"), te.firstRow, 1);