public static void execCmd() {
   try {
      String cmd = "c:\\Perl\\multiline.cmd";
      String arg1 = "run.cmd";
      String[] cmdArray = { str1, str2 };
      Process p = Runtime.getRuntime().exec(cmdArray);
      BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
      BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(p.getOutputStream()));
      bw.write("1");
      String line;
      while ((line = br.readLine()) != null) {
         System.out.println(line);
      }
      br.close();
      bw.close();
      //bw.flush();
      System.out.println(p.exitValue());
   } catch (Exception e) {
      System.out.println(e.toString());
   }
}