public static void main(String[] args) {
  String result;
  try {
    Runtime rt = Runtime.getRuntime();
    Process p = rt.exec("CMD.EXE /C DIR c:\\windows\\");
    InputStream is = p.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);
      while ((result = br.readLine()) != null) {
      System.out.println(result);
      }
  } catch (IOException ex) {
    ex.printStackTrace();
  }
}