import javax.swing.DefaultCellEditor;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableColumn;
public class Main {
public static void main(String[] values) {
JTable table;
table = new JTable(new DefaultTableModel(3, 3) {
@Override
public void setValueAt(Object aValue, int row, int column) {
super.setValueAt(aValue, row, column);
if (column == 2) {
if (aValue.toString().isEmpty()) {
removeRow(row);
} else {
addRow(new Object[] { null, null, null });
}
}
}
});
TableColumn column = table.getColumnModel().getColumn(2);
JComboBox<String> comboBox = new JComboBox<>(new String[] { "", "1", "2",
"3", "4", "5" });
column.setCellEditor(new DefaultCellEditor(comboBox));
JFrame f = new JFrame();
f.add(new JScrollPane(table));
f.pack();
f.setVisible(true);
}
}