Java字符流的过滤器

代码:
package com.imooc.learn1;


 import java.io.BufferedReader;
 import java.io.BufferedWriter;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;


 public class BrAndBwOrPwDemo {
public static void main(String[] args) throws IOException {
BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream("E:\\HTML\\01.html")));
BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream("E:\\HTML\\05.html")));
String line;
 // PrintWriter pw=new PrintWriter("E:\\HTML\\06.html");
while ((line=br.readLine())!=null) {
System.out.println(line);
bw.write(line);
bw.newLine();
bw.flush();
 // pw.println(line);


}
br.close();
bw.close();



}
 }