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();
         }
 
     }
 }