public void generateReward(RandomCollection<L2LuckyWheelReward> lista, L2PcInstance player, int LuckyConsumeItem, int LuckyConsumeItemQtd) {
        if (lista.size() == 0) {
            player.sendMessage("Caro jogador, ocorreu um erro de configuração, contate o ADM.");
            return;
        }
        L2ItemInstance consumeItem = player.getInventory().getItemByItemId(LuckyConsumeItem);
        if (consumeItem.getCount() >= LuckyConsumeItemQtd) {
            player.destroyItem("Lucky Wheel", consumeItem.getObjectId(), Config.LuckyConsumeItemQtd, this, true);
        } else {
            player.sendMessage("Not enough necessary itens.");
            return;
        }
        L2LuckyWheelReward reward = lista.next();

        if (reward == null) {
            if (player.isGM()) {
                for (L2LuckyWheelReward item : lista.values()) {
                    player.sendMessage(String.format("Item na lista: %s e chance %t", item.ItemId, item.Chance));
                }
            }
            player.sendMessage("SOrry, No have itens for you.");
        }

        if (reward.Enchant > 0) {
            L2ItemInstance item = new L2ItemInstance(IdFactory.getInstance().getNextId(), reward.ItemId);

            item.setEnchantLevel(reward.Enchant);
            player.addItem("Buy item", item, player, true);
        } else if (reward.Count > 0) {
            player.addItem("Buy item", reward.ItemId, reward.Count, player, true);
        }
        player.sendMessage(Config.LuckyWheelRewardMessage);
    }


Config:

public static RandomCollection<L2LuckyWheelReward> normalList = new RandomCollection<L2LuckyWheelReward>();
    public static RandomCollection<L2LuckyWheelReward> advancedList = new RandomCollection<L2LuckyWheelReward>();
    public static RandomCollection<L2LuckyWheelReward> legendaryList = new RandomCollection<L2LuckyWheelReward>();
    public static String LuckyWheelRewardMessage = "";
    public static int LuckyConsumeNormal = 0;
    public static int LuckyConsumeAvancado = 0;
    public static int LuckyConsumeLendario = 0;
    public static int LuckyConsumeItemQtd = 0;

    public static void loadWheelConfig() {
        final String ANNOUNCE = FService.LUCKYWHEEL_CONFIG_FILE;

        try {
            Properties LuckyWheelSettings = new Properties();
            InputStream is = new FileInputStream(new File(ANNOUNCE));
            LuckyWheelSettings.load(is);
            is.close();
            //============================================================

            String normalString = LuckyWheelSettings.getProperty("normalList", "");
            String advancedString = LuckyWheelSettings.getProperty("advancedList", "");
            String legendaryString = LuckyWheelSettings.getProperty("legendaryList", "");
            LuckyWheelRewardMessage = LuckyWheelSettings.getProperty("rewardMessage", "Congratulations, you win one item.");
            LuckyConsumeNormal = Integer.parseInt(LuckyWheelSettings.getProperty("luckyConsumeNormal", "57"));
            LuckyConsumeAvancado = Integer.parseInt(LuckyWheelSettings.getProperty("luckyConsumeAvancado", "57"));
            LuckyConsumeLendario = Integer.parseInt(LuckyWheelSettings.getProperty("luckyConsumeLendario", "57"));
            LuckyConsumeItemQtd = Integer.parseInt(LuckyWheelSettings.getProperty("luckyConsumeItemQtd", "1"));

            //Items Separated for "," and end config for ";"
            String[] itemsNormal = normalString.split(";");
            for (int i = 0; i < itemsNormal.length; i++) {
                if (itemsNormal[i].isEmpty()) {
                    continue;
                }

                String[] dataItemsNormal = itemsNormal[i].split(",");
                if (dataItemsNormal.length < 4) {
                    throw new Error("Bad Configuration for list normal");
                }
                normalList.add(Double.parseDouble(dataItemsNormal[3]), new L2LuckyWheelReward(Integer.parseInt(dataItemsNormal[0]),
                        Integer.parseInt(dataItemsNormal[1]), Integer.parseInt(dataItemsNormal[2]), Double.parseDouble(dataItemsNormal[3])));
            }
             //Items Separated for "," and end config for ";"
            String[] itemsAdvanced = advancedString.split(";");
            for (int i = 0; i < itemsAdvanced.length; i++) {
                if (itemsAdvanced[i].isEmpty()) {
                    continue;
                }

                String[] dataItemsAdvanced = itemsAdvanced[i].split(",");
                if (dataItemsAdvanced.length < 4) {
                    throw new Error("Bad Configuration for list advanced");
                }
                advancedList.add(Double.parseDouble(dataItemsAdvanced[3]), new L2LuckyWheelReward(Integer.parseInt(dataItemsAdvanced[0]),
                        Integer.parseInt(dataItemsAdvanced[1]), Integer.parseInt(dataItemsAdvanced[2]), Double.parseDouble(dataItemsAdvanced[3])));
            }
             //Items Separated for "," and end config for ";"
            String[] itemsLegendary = legendaryString.split(";");
            for (int i = 0; i < itemsLegendary.length; i++) {
                if (itemsLegendary[i].isEmpty()) {
                    continue;
                }

                String[] dataItemsLegendary = itemsLegendary[i].split(",");
                if (dataItemsLegendary.length < 4) {
                    throw new Error("Bad Configuration for list legendary");
                }
                legendaryList.add(Double.parseDouble(dataItemsLegendary[3]), new L2LuckyWheelReward(Integer.parseInt(dataItemsLegendary[0]),
                        Integer.parseInt(dataItemsLegendary[1]), Integer.parseInt(dataItemsLegendary[2]), Double.parseDouble(dataItemsLegendary[3])));
            }