Java tutorial
import javax.swing.JFrame; import javax.swing.JLabel; public class Main { public static void main(String[] args) { JFrame frame = new JFrame(); JLabel label = new JLabel("Label with image in Tooltip!"); label.setToolTipText("<html><img src=\"" + Main.class.getResource("tooltip.gif") + "\"> Tooltip "); label.setHorizontalAlignment(JLabel.CENTER); frame.setContentPane(label); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBounds(100, 100, 200, 100); frame.setVisible(true); } }