Buffered Writer 출력 흐름 사용

package com.lzxa.analyze.common;


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

/**
 *    
 */
public class IOBufferedWriter {

   static public void IOBufferedWriters(String name)  {
        try{
            //1.  BufferedWriter      c:/a.txt    
            //true      ，
            BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(
                    new FileOutputStream("c:/a.txt",true)));
            
            //      
            DateFormat bf = new SimpleDateFormat("yyyy-MM-dd E a HH:mm:ss");
            Date date = new Date();//    
            String format = bf.format(date);//    bf.format(date);

            //2.      "last demo!"     
            bw.write(format+":"+name+ "\r
");
            //3.             
            bw.close();
        }catch(Exception e){
            e.printStackTrace();
        }


    }
}