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 Bwriter

{
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");

BufferedWriter w=new BufferedWriter(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( );

}

}