Java tutorial
import java.awt.Dimension; import java.util.Date; import javax.swing.JFrame; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.ListSelectionModel; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import javax.swing.event.TableModelEvent; import javax.swing.event.TableModelListener; import javax.swing.table.TableModel; public class Main implements ListSelectionListener { String[] headings = { "Name", "Customer ID", "Order #", "Status" }; Object[][] data = { { "A", new Integer(3), "0", new Date() }, { "B", new Integer(6), "4", new Date() }, { "C", new Integer(9), "9", new Date() }, { "D", new Integer(7), "1", new Date() }, { "E", new Integer(4), "1", new Date() }, { "F", new Integer(8), "2", new Date() }, { "G", new Integer(6), "1", new Date() } }; JTable jtabOrders = new JTable(data, headings); TableModel tm; Main() { JFrame jfrm = new JFrame("JTable Event Demo"); jfrm.setSize(400, 200); jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jtabOrders.setPreferredScrollableViewportSize(new Dimension(420, 62)); ListSelectionModel rowSelMod = jtabOrders.getSelectionModel(); ListSelectionModel colSelMod = jtabOrders.getColumnModel().getSelectionModel(); rowSelMod.addListSelectionListener(this); colSelMod.addListSelectionListener(this); tm = jtabOrders.getModel(); tm.addTableModelListener(new TableModelListener() { public void tableChanged(TableModelEvent tme) { if (tme.getType() == TableModelEvent.UPDATE) { System.out.println("Cell " + tme.getFirstRow() + ", " + tme.getColumn() + " changed." + " The new value: " + tm.getValueAt(tme.getFirstRow(), tme.getColumn())); } } }); jfrm.add(new JScrollPane(jtabOrders)); jfrm.setVisible(true); } public void valueChanged(ListSelectionEvent le) { String str = "Selected Row(s): "; int[] rows = jtabOrders.getSelectedRows(); for (int i = 0; i < rows.length; i++) str += rows[i] + " "; str += "Selected Column(s): "; int[] cols = jtabOrders.getSelectedColumns(); for (int i = 0; i < cols.length; i++) str += cols[i] + " "; str += "Selected Cell: " + jtabOrders.getSelectedRow() + ", " + jtabOrders.getSelectedColumn(); System.out.println(str); } public static void main(String args[]) { new Main(); } }