字节流转换字符流

package com.lanou.day21.test;import java.io.BufferedWriter;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.OutputStreamWriter;public class TestNIO5 {public static void main(String[] args) throws FileNotFoundException {       FileOutputStream fo=new FileOutputStream("c.txt");       OutputStreamWriter outputStreamWriter=new OutputStreamWriter(fo);       BufferedWriter bufferedWriter=new BufferedWriter(outputStreamWriter);       }}