public void addItem(final Player player, final Material material, final String itemname, final int amount, final int slot) {
        final ItemStack item = new ItemStack(material, amount);
        final ItemMeta im = item.getItemMeta();
        im.setDisplayName(itemname.replace("&", "§"));
        item.setItemMeta(im);
        player.getInventory().setItem(slot, item);
    }