Game of dice REST API

protected static String first = null;
protected static String second = null;
protected static String url = null;
private final static String URL = "https://app-mego.herokuapp.com/games/dice";
​
public static void main(String[] args) throws IOException {
​
    JSONObject json = new JSONObject(IOUtils.toString(new URL(URL), StandardCharsets.UTF_8));
    first = String.valueOf(json.get("firstNumber"));
    second = String.valueOf(json.get("secondNumber"));
    url = String.valueOf(json.get("url"));
    System.out.println(first + "\n" + second + "\n" + url);
    
}