int minutes = 1; //Integer.valueOf(args[0]);
        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
          
            @Override
            public void run() {
                ProcessBuilder processBuilder = new ProcessBuilder("shutdown",
                        "/s");
                try {
                    processBuilder.start();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        }, minutes * 60 * 1000);