Java tutorial
import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.Timer; public class Main { public static void main(String[] args) { JFrame frame = new JFrame("Testing"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLayout(new BorderLayout()); frame.add(new JLabel("Auto Hide")); frame.pack(); frame.setVisible(true); Timer autoHideTimer = new Timer(1000, new ActionListener() { @Override public void actionPerformed(ActionEvent e) { frame.dispose(); } }); autoHideTimer.setRepeats(false); frame.addMouseListener(new MouseAdapter() { @Override public void mouseExited(MouseEvent e) { System.out.println("Restart..."); autoHideTimer.restart(); } @Override public void mouseEntered(MouseEvent e) { System.out.println("Stop"); autoHideTimer.stop(); } }); } }