Define Custom Cursor (or make cursor disappear)

import java.awt.*;
import java.awt.image.MemoryImageSource;


  public void hideCursor( Frame frame )
    {
      int w = 1;
      int h = 1;
      int pix[] = new int[w * h];

      // Design custom cursor.
//       int index = 0;
//       for (int y = 0; y < h; y++) {
// 	int red = (y * 255) / (h - 1);
// 	for (int x = 0; x < w; x++) {
// 	  int blue = (x * 255) / (w - 1);
// 	  int green = 255;
// 	  pix[index++] = (green << 24) | (red << 16) | blue;
// 	}
//       }
      
      Image image = Toolkit.getDefaultToolkit().createImage(
	new MemoryImageSource(w, h, pix, 0, w));
      Cursor cursor =
	Toolkit.getDefaultToolkit().createCustomCursor
	(image, new Point(0, 0), "custom");
      
      frame.setCursor( cursor );
      
      // Use some standard cursor.
      frame.setCursor( new Cursor (Cursor.CROSSHAIR_CURSOR) );
      //frame.setCursor( new Cursor (Cursor.WAIT_CURSOR) );
   }