package com.himi.filecopy;

 import java.io.FileInputStream;

 import java.io.FileOutputStream;

 import java.io.IOException;

 /**

  *

  * 需求：把D:\\English.mp4 复制到当前项目目录下copy.mp4

  *

  */

 public class CopyMp4 {

     public static void main(String[] args) throws IOException {

         //数据源

         FileInputStream fis = new FileInputStream("D:\\English.mp4");

         //目的地

         FileOutputStream fos = new FileOutputStream("copy.mp4");

         //复制数据

         int by = 0;

         while((by=fis.read()) != -1) {

             fos.write(by);

         }

         //释放资源

         fos.close();

         fis.close();

     }

 }