Java tutorial
import java.awt.Image; import java.awt.SystemTray; import java.awt.Toolkit; import java.awt.TrayIcon; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; public class Main { public static void main(String[] args) throws Exception { JFrame frm = new JFrame("Main"); Image im = Toolkit.getDefaultToolkit().getImage("c:\\icons\\icon1.png"); TrayIcon tri = new TrayIcon(im); tri.addActionListener(e -> { frm.setVisible(true); try { SystemTray.getSystemTray().remove(tri); } catch (Exception ex) { ex.printStackTrace(); } }); frm.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { try { SystemTray.getSystemTray().add(tri); } catch (Exception ex) { ex.printStackTrace(); } frm.setVisible(false); } }); frm.setSize(100, 100); frm.setVisible(true); } }