Set the Location of a Tool Tip in Java

import java.awt.Point;
import java.awt.event.MouseEvent;
// w ww  .j  a  v  a 2s .  c om
import javax.swing.JButton;

public class Main {
  public static void main(String[] argv) throws Exception {

    JButton button = new JButton("My Button") {
      public Point getToolTipLocation(MouseEvent event) {
        return new Point(0, 0);
      }
    };

  }
}