Java Graphics - 如何将图像从URL(web)保存到jpg，png和gif格式文件

import java.awt.image.BufferedImage;
import java.io.File;
import java.net.URL;

import javax.imageio.ImageIO;

public class Main {
  public static void main(String[] args) throws Exception {
    BufferedImage image = null;

    URL url = new URL("URL_IMAGE");
    image = ImageIO.read(url);

    ImageIO.write(image, "jpg", new File("C:\\out.jpg"));
    ImageIO.write(image, "gif", new File("C:\\out.gif"));
    ImageIO.write(image, "png", new File("C:\\out.png"));

    System.out.println("Done");
  }
}