import java.awt.*;  import java.awt.image.*;    public class ImageCanvas extends Canvas {    Image image;      public ImageCanvas(String name) {      MediaTracker media = new MediaTracker(this);      image = Toolkit.getDefaultToolkit().getImage(name);      media.addImage(image, 0);      try {        media.waitForID(0);          }      catch (Exception e) {}      }      public ImageCanvas(ImageProducer imageProducer) {      image = createImage(imageProducer);      }      public void paint(Graphics g) {      g.drawImage(image, 0,0, this);      }      public static void main(String argv[]) {      if (argv.length < 1) {         System.out.println            ("usage: ImageCanvas.class [image file name]");         System.exit(0);         }      Frame frame = new Frame(argv[0]);      frame.setLayout(new BorderLayout());      frame.add("Center", new ImageCanvas(argv[0]));      frame.resize(400,400);      frame.show();      }  }