JavaIO流学习总结-BufferedWriter和BufferedReader基本操作练习

package io;

import java.io.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

/*
 * 修改日期:2020/04/05
 * 修改人:牟松
 * 字符流BufferedWriter和BufferedReader基本操作练习

 * 特点BufferedReader可以一行一行的读取
 */

public class ceshi {
   public static void main(String[] args)
     {
     
         /*
            //实例化BufferedWriter对象
            BufferedWriter bw = new BufferedWriter(new FileWriter ("ceshi.txt",true));
            //获取当前时间
            DateFormat bf = new SimpleDateFormat("yyyy-MM-dd E a HH:mm:ss");
            Date date = new Date();  
            String format = bf.format(date); 
            bw.write(format+":"+"测试文本"+ "\r\n");
            bw.close();*/
  
    try {
          /*
          //实例化BufferedReader对象
          BufferedReader br = new BufferedReader(new FileReader("ceshi.txt"));
          while(true)
             { 
            char[] string=new char[1024];
            //读取这一行的内容
            br.read(string);
            System.out.println(new String(string));
            //读取下一行内容
            if(br.readLine()==null)
             break;
             }
          br.close();*/
        } catch (Exception e) {
     e.printStackTrace();
        }
     }
}