private static String highscorFile = System.getenv("USERPROFILE") + "/Desktop/Snake_Highscore.txt";
private String GetHighscore() throws IOException {
        File file = new File(highscorFile);
        String j = "";
        if (file.exists()) {
            Scanner scanner = new Scanner(file);
            while(scanner.hasNextLine()) {
                String zeile = scanner.nextLine();
                if (zeile.equalsIgnoreCase("")
                        || zeile == null) {
                    break;
                }
                j = zeile;
            }
            scanner.close();
            return j;
        }
        return "0";
    }