Run python script in Java in Windows

runPython.java

public class App {

    public static void main(String[] args) throws IOException {
        final String result = runPython("script.py", "arg1", "arg2");
        System.out.println(result);
    }

    private static String runPython(String script, String... args) throws IOException {
        List<String> newArgs = new ArrayList<>();
        newArgs.add(script);
        newArgs.addAll(Arrays.asList(args));
        return runCommand("python", newArgs.toArray(new String[0])).get(0);
    }

    private static List<String> runCommand(String exe, String... args) throws IOException {
        List<String> command = new ArrayList<>();
        command.add(exe);
        command.addAll(Arrays.asList(args));
        ProcessBuilder pb = new ProcessBuilder(command);
        pb.environment().put("PATH",
                "C:\\ProgramData\\Anaconda3;C:\\ProgramData\\Anaconda3\\Library\\mingw-w64\\bin;C:\\ProgramData\\Anaconda3\\Library\\usr\\bin;C:\\ProgramData\\Anaconda3\\Library\\bin;C:\\ProgramData\\Anaconda3\\Scripts;C:\\ProgramData\\Anaconda3\\bin;"
        );
        Process p = pb.start();
        InputStream is = p.getInputStream();
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));
        List<String> output = reader.lines().collect(Collectors.toList());
        reader.close();
        return output;
    }
}