package Shurushucu;

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


public class copy {

    public static void main(String[] args) throws IOException  {
        long time1=System.currentTimeMillis();
        // 1、从数据源获取目标文件
        FileInputStream fis=new FileInputStream("d:\\java\\output.txt");
        //2、确定目的地
        FileOutputStream fos=new FileOutputStream("e:\\java\\output.txt");
        //3.读取后写入
        int len=0;
        while((len=fis.read())!=-1){
            fos.write(len);
        }
        //4、释放资源
        fis.close();
        fos.close();
        long time2=System.currentTimeMillis();
        System.out.println((time2-time1)/1000);
    }

}