"Chrysler", "Mercedes Benz", "Bentley", "Bugatti",
"Maserati", "Porsche"};
DefaultListModel model = new DefaultListModel();
int columns = 0;
for (int i = 0; i < vehicles.length; i++) {
model.addElement(vehicles[ i]);
if (vehicles[ i].length() > columns)
columns = vehicles[ i].length();
}
model.addListDataListener(this);