import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.TableColumnModelEvent;
import javax.swing.event.TableColumnModelListener;
import javax.swing.table.TableColumn;
import javax.swing.table.TableColumnModel;
public class MainClass {
public static void main(String args[]) {
Object rows[][] = { { "A", "a" }, { "B", "b" }, { "E", "e" } };
Object headers[] = { "Upper", "Lower" };
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTable table = new JTable(rows, headers);
TableColumnModelListener tableColumnModelListener = new TableColumnModelListener() {
public void columnAdded(TableColumnModelEvent e) {
System.out.println("Added");
}
public void columnMarginChanged(ChangeEvent e) {
System.out.println("Margin");
}
public void columnMoved(TableColumnModelEvent e) {
System.out.println("Moved");
}
public void columnRemoved(TableColumnModelEvent e) {
System.out.println("Removed");
}
public void columnSelectionChanged(ListSelectionEvent e) {
System.out.println("Selection Changed");
}
};
TableColumnModel columnModel = table.getColumnModel();
columnModel.addColumnModelListener(tableColumnModelListener);
columnModel.setColumnMargin(12);
TableColumn column = new TableColumn(1);
columnModel.addColumn(column);
JScrollPane pane = new JScrollPane(table);
frame.add(pane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}