out.write(data);
out.write(data,0,fd);
  public int Pump() throws java.io.IOException  {    byte[] data = new byte[1024];    int    fd   = 0,cnt = 0;    while (true) {      fd = in.read(data);      if (fd == -1) break;      cnt += fd;      out.write(data);    }    out.close();    return cnt;  }