package Zy;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

public class Zy02 {

      //用字符流完成txt的复制

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

        FileReader r=new FileReader("d:\\java\\789.txt");

        FileWriter w=new FileWriter("e:\\java\\789.txt");

        char[] ch=new char[1024];

        int len=0;

        while((len=r.read(ch))!=-1){

            w.write(ch,0,len);

            w.flush();

        }

        r.close();

        w.close();

    }

}