Use stream and byte array buffer, copy files

package com.itcast.demo05.Buffered;

import java.io.*;

/**
 * @author newcityman
 * @date 2019/7/28 - 17:05
 */
public class BufferedCopy {
 public static void main(String[] args) throws IOException {
 long s = System.currentTimeMillis();
 BufferedInputStream bis = new BufferedInputStream(new FileInputStream("H:\\IMG_7621.JPG"));
 BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream("e:\\IMG_7621.JPG"));

len = int 0 ; 
byte [] bytes = new new byte [ 2048] ; 
the while ((len = bis.read (bytes)) = -! . 1) { 
bos.write (bytes , 0 , len) ; 
} 

bos.close ( ) ; 
bis.close () ; 
Long E = the System. with currentTimeMillis () ; 
the System. Out.println ( "copy files Processed total:" + (ES) + "msec") ; 
} 

}