Play Framework cara save data ke file text (how to save data on file text play framework)

save data dengan menambahkan garis baru :

Writer output = new BufferedWriter(new FileWriter("e-katalog-5/public/chat/chat-XbGjF6QV.txt", true));output.append(txtnama+" : "+txtpesan+" ; \n \r ");output.close();

save data ke file dengan replace data, tanpa garis baru :

        PrintWriter writer = new PrintWriter("e-katalog-5/public/chat/chat-XbGjF6QV.txt", "UTF-8");        writer.println(txtnama+" : "+txtpesan+" \n ");
        writer.close();