java中的文件复制

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/*
   java 的文件复制
   @author:luowen
   @time:2013-10-23
*/
import java.io.*;
 
class TextMove
{
    public static void main(String[] args) throws IOException
    {
            //创建读写文件对象
        FileReader fr = new FileReader("demo.txt");
        FileWriter fw = new FileWriter("demo1.txt");
        //创建缓冲区
        BufferedReader br = new BufferedReader(fr);
        BufferedWriter bw = new BufferedWriter(fw);
         
        String tmp = null;
        //将读出来的东西写入到文件 
        while((tmp = br.readLine()) != null)
        {
            bw.write(tmp);
        }  
        //关闭资源
        br.close();
        bw.close();
    }
}

  

posted @   arvim  阅读(235)  评论(0编辑  收藏  举报
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