!752 p { //Check the SystemTray is supported if (!SystemTray.isSupported()) { System.out.println("SystemTray is not supported"); return; } final PopupMenu popup = new PopupMenu(); final TrayIcon trayIcon = new TrayIcon(imageIcon("#1003654").getImage()); final SystemTray tray = SystemTray.getSystemTray(); // Create a pop-up menu components MenuItem aboutItem = new MenuItem("About"); CheckboxMenuItem cb1 = new CheckboxMenuItem("Set auto size"); CheckboxMenuItem cb2 = new CheckboxMenuItem("Set tooltip"); Menu displayMenu = new Menu("Display"); MenuItem errorItem = new MenuItem("Error"); MenuItem warningItem = new MenuItem("Warning"); MenuItem infoItem = new MenuItem("Info"); MenuItem noneItem = new MenuItem("None"); MenuItem exitItem = new MenuItem("Exit"); //Add components to pop-up menu popup.add(aboutItem); popup.addSeparator(); popup.add(cb1); popup.add(cb2); popup.addSeparator(); popup.add(displayMenu); displayMenu.add(errorItem); displayMenu.add(warningItem); displayMenu.add(infoItem); displayMenu.add(noneItem); popup.add(exitItem); trayIcon.setPopupMenu(popup); tray.add(trayIcon); }