如何使用工具包使用获取图像检索裁剪的图像？

image = ImageIO.read(new File("C:/Graphics/src/name2.jpg"));         

ImageFilter filter = new CropImageFilter(0, 0, 250, 250);
    ImageProducer producer = new FilteredImageSource(image.getSource(), filter);

Image resultImage = Toolkit.getDefaultToolkit().createImage(
    producer);
ImageIO.write(resultImage, "jpg", 
    new File("C:/Graphics/src/name7.jpg"));  //not allowing me  
image = ImageIO.read(new File("C:/Graphics/src/