PrintWriter pw =  new PrintWriter(new FileOutputStream("test.txt"));
pw.println("aaa");
或者"aaaa\r\n"

解决方案 »

  1.   

    谢谢!刚刚看了mingjava的blog,
    http://blog.csdn.net/mingjava/archive/2004/09/16/106129.aspx
      

  2.   

    PrintWriter pw =  new PrintWriter(new FileOutputStream("test.txt"));
    pw.println("aaa");我这样写的代码,虽然test.txt创建出来了,可是aaa怎么写不进去啊
      

  3.   

    晕,明白了,还缺少一句pw.flush();