package io;  
import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.io.IOException;  

public class PictureCopy {  
 public static void main(String[] args) throws IOException {  
  BufferedInputStream in
 
 = new BufferedInputStream(new FileInputStream("E://a//photo.jpg"));  //原先圖片所在路徑
  BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream("E://b//copyPhoto.jpg"));  //你要儲存在哪個目錄下面
  int i;  
  while((i=in.read())!=-1){  
   out.write(i);  
  }  
  out.flush();  

  out.close();  
  in.close();  
 }  
}