源程序Bwriter.java,从键盘输入一系列字符串，写入到某磁盘文件中

import java.io.*;   public class  Bwiter{       public static void main(String args[]) throws Exception{       InputStreamReader i =new InputStreamReader(System.in);       BufferedReader b = new BufferedReader(i);       FileWriter f = new FileWriter("file1.txt");       BuferedWriter w =new BufferedReader(f);        String s;        while(true){            System.out.print("input a string:");            System.out.flush();              s = b.readLine();              if(s.length()==0)              break;              w.write(s);              w.newLine();                }              w.close();            }   }   

如果用户输入的内容如下图