package com.java;

import java.io.*;

/**

* @Author: mzy

* @Date: 2019-1-22 17:36

*/

public class Out_In_Put {

/**

* @输入流和输出流

*/

public static void main(String[] args) {

try{

//构造一个BufferedReader对象

File f=new File("myfile.txt");

BufferedReader br=new BufferedReader(new InputStreamReader(System.in));

BufferedWriter bw=new BufferedWriter(new FileWriter(f));

System.out.println("请输入一行字符串：");

while((br.readLine())!="bye"){//读一行

String line=br.readLine();

System.out.println("输出："+line);

bw.write(line);

bw.newLine(); //在文件里换行

}

//关闭流

br.close();

bw.flush();

bw.close();

System.out.println("文件输入成功!");

}catch(FileNotFoundException ex){

System.out.println("文件找不到");

}catch(IOException ex){

System.out.println("文件输入输出异常");

ex.printStackTrace();

}

}

}