使用字符缓冲流的特有功能复制java文件

package com.ylh4Y6;

import java.io.*;

//使用字符缓冲流的特有功能复制java文件
public class ylh3 {
    public static void main(String[] args) throws IOException {
        BufferedReader br=new BufferedReader(new FileReader("E:\\java\\myhomework\\myjava.txt"));
        BufferedWriter bw=new BufferedWriter(new FileWriter("E:\\java\\myhomework\\copyjava.txt"));
     String len;
        while((len=br.readLine())!=null){
            bw.write(len);
            bw.newLine();
            bw.flush();
        }

    }
}