在java程序中显示gif图片的代码

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();
    }
}

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