Why TableModelListener not found ?

[majid]

import javax.swing.JTable;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.*;
import java.awt.event.*;
public class SimpleTableDemo extends JFrame implements TableModelListener {
.......
......

[Proverbs9_10]

TableModelListener belongs to javax.swing.event package