java中FileInputStream和FileOutputStream对图片操作的例子

package a.ab;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class ClassA {
    public static void main(String[] args) {
        try {
            FileInputStream fis = new FileInputStream(
                    "C:\\Program Files\\feiq\\Recv Files\\001.jpg");
            FileOutputStream fos = new FileOutputStream(
                    "C:\\Program Files\\feiq\\Recv Files\\003.jpg");
            int len = 0;
            byte[] bytes = new byte[1024];
            try {
                while ((len = fis.read(bytes)) != -1) {
                    fos.write(bytes, 0, len);
                }
            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                if (fis != null) {
                    try {
                        fis.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                if (fos != null) {
                    try {
                        fos.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }

    }
}