字节流转字符流

package org.lanqiao.io;

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.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.OutputStreamWriter;

import java.io.Reader;

import java.io.Writer;

public class IOTest3 {

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

String path ="src/docs/1.txt";

InputStream in = new FileInputStream(path); //字节流;

//桥接流;

Reader rd = new InputStreamReader(in);

BufferedReader bf =new BufferedReader(rd) ;

String line =null;

while((line=bf.readLine())!=null){

System.out.println(line);

}

bf.close();

rd.close();

in.close();

System.out.println("----------------------------------------------");

OutputStream out =new FileOutputStream(path,true);

Writer wr = new OutputStreamWriter(out);

BufferedWriter buf =new BufferedWriter(wr);

buf.write("Hello,World");

buf.flush();

bf.close();

wr.close();

out.close();

}

}