getRuntime

    private static void test() {
        try {
            Process process = Runtime.getRuntime().exec("cmd");
            DataOutputStream dataOutputStream = new DataOutputStream(process.getOutputStream());
            DataInputStream dataInputStream = new DataInputStream(process.getInputStream());
            dataOutputStream.writeBytes("dir\n");
            dataOutputStream.writeBytes("exit\n");
            dataOutputStream.flush();

            InputStreamReader inputStreamReader = new InputStreamReader(dataInputStream, "UTF-8");
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                System.out.println("Line:" + line);
            }
            bufferedReader.close();
            inputStreamReader.close();
            process.waitFor();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }