Listen to JTable model changed event in Java

import java.awt.BorderLayout;
//from   w w  w  . j  a v  a  2  s  .  co  m
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;

public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Object rowData[][] = { { "Row1-Column1", "Row1-Column2", "Row1-Column3" },
        { "Row2-Column1", "Row2-Column2", "Row2-Column3" } };
    Object columnNames[] = { "Column One", "Column Two", "Column Three" };
    final JTable table = new JTable(rowData, columnNames);

    
    JScrollPane scrollPane = new JScrollPane(table);

    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
    

    table.getModel().addTableModelListener(new MyTableModelListener(table));

  }
}
class MyTableModelListener implements TableModelListener {
  JTable table;

  MyTableModelListener(JTable table) {
    this.table = table;
  }

  public void tableChanged(TableModelEvent e) {
    int firstRow = e.getFirstRow();
    int lastRow = e.getLastRow();
    int index = e.getColumn();

    switch (e.getType()) {
    case TableModelEvent.INSERT:
      for (int i = firstRow; i <= lastRow; i++) {
        System.out.println(i);
      }
      break;
    case TableModelEvent.UPDATE:
      if (firstRow == TableModelEvent.HEADER_ROW) {
        if (index == TableModelEvent.ALL_COLUMNS) {
          System.out.println("A column was added");
        } else {
          System.out.println(index + "in header changed");
        }
      } else {
        for (int i = firstRow; i <= lastRow; i++) {
          if (index == TableModelEvent.ALL_COLUMNS) {
            System.out.println("All columns have changed");
          } else {
            System.out.println(index);
          }
        }
      }
      break;
    case TableModelEvent.DELETE:
      for (int i = firstRow; i <= lastRow; i++) {
        System.out.println(i);
      }
      break;
    }
  }
}