IO转换流

IO转换流

package com.file;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.InputStreamReader;import java.io.OutputStreamWriter;public class Test2 {public static void main(String[] args) throws Exception {FileInputStream fis=new FileInputStream("E:\\aaa.txt");InputStreamReader isr=new InputStreamReader(fis);BufferedReader bfr=new BufferedReader(isr);FileOutputStream fos=new FileOutputStream("E:\\efg.txt");OutputStreamWriter osw=new OutputStreamWriter(fos);BufferedWriter bw=new BufferedWriter(osw);String str;while((str=bfr.readLine())!=null){System.out.println(str);bw.write(str);}bw.flush();bfr.close();bw.close();}}