gistfile1.txt

 public static void runProcess(String cmd) {

        ProcessBuilder processBuilder = new ProcessBuilder();
        
        String command = "git help";

        processBuilder.command("cmd.exe", "/c", command);

        try {

            Process process = processBuilder.start();

            BufferedReader reader =
                    new BufferedReader(new InputStreamReader(process.getInputStream()));

            StringBuilder builder = new StringBuilder();
            String line;
            while ((line = reader.readLine()) != null) {
                builder.append(line);
                System.out.println(line);
            }

            String result = builder.toString();
            int exitCode = process.waitFor();

        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
        }
    }