Menu Example (Cont)
myFileMenu.add(myFileOpenMenuItem);
myFileMenu.addSeparator();
myFileMenu.add(myFileExitMenuItem);
myEditMenu.add(myEditUndoMenuItem);
myHelpMenu.add(myHelpAboutMenuItem);
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
if (cmd.equals("open")) /* open a file */ ;
else if (cmd.equals("exit")) System.exit(0);
else if (cmd.equals("undo")) /* perform undo operation */ ;
else if (cmd.equals("about")) /* display program-author information */ ;