public void muda() {
        PrintWriter writer = null;
        try {
            writer = new PrintWriter("/home/jhenrip/IdeaProjects/POOConvivio/dados/inicio.txt", "UTF-8");
        } catch (FileNotFoundException | UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        writer.println("1");
        writer.close();
    }