public class achievementsUtils {

    private Player user;

    public achievementsUtils(Player p){
        user = p;
    }

    public void unlock(String shortName){
        if (check(shortName) == false){
            return;
        }
        if (custom().contains("achievements." + user.getName() + "." + shortName)){
            return;
        }
        credits credits = new credits();
        achievements achievements = Main.getInstance().achStore.get(shortName);
        if (achievements ==  null){
            return;
        }
        user.sendMessage(ChatColor.DARK_GRAY + "" + ChatColor.STRIKETHROUGH + "+-------------------------------------------+");
        user.sendMessage(ChatColor.WHITE + "");
        user.sendMessage(ChatColor.AQUA + "Unlocked Achievement: " + achievements.name);
        user.sendMessage(ChatColor.GRAY + "" + ChatColor.ITALIC + achievements.description);
        user.sendMessage(ChatColor.WHITE + "");
        user.sendMessage(ChatColor.GREEN + "+" + achievements.credits + " credits");

        user.sendMessage(ChatColor.DARK_GRAY + "" + ChatColor.STRIKETHROUGH + "+-------------------------------------------+");
        credits.setCoins(user,achievements.credits);
        File f = new File("plugins/HpWave2",  "achievements.yml");
        FileConfiguration c = YamlConfiguration.loadConfiguration(f);
        c.set("achievements." + user.getName() + "." + achievements.shortName, true);
        try {
            c.save(f);
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

    public boolean check(String shortName){
        if (Main.getInstance().achStore.containsKey(shortName)){
            return true;
        }else{
            return false;
        }
    }

    public double percent() {
        float unlocked = 0.0F;
        if (custom().contains("achievements." + user.getName())) {
            for (String ach : custom().getConfigurationSection("achievements." + user.getName()).getKeys(false)) {
                unlocked += 1.0F;
            }
            double num = unlocked / Main.getInstance().achStore.size();
            num *= 100.0D;
            return Math.round(num);
        }

        return 0.0D;
    }

    public void menu(){
        int count = 0;
        Inventory menu = Bukkit.createInventory(null, 36, "§7Achievements");
        for (String key : Main.getInstance().achStore.keySet()) {
            if (check(key) == false){
                user.sendMessage("nope");
                return;
            }
            achievements achievement = Main.getInstance().achStore.get(key);
            ItemStack is;
            if (custom().contains("achievements." + user.getName() + "." + achievement.shortName)){
                is = new ItemStack(Material.LIME_DYE);
                ItemMeta im = is.getItemMeta();
                im.setDisplayName(ChatColor.GREEN + "✓ " + achievement.name);
                ArrayList<String> lore = new ArrayList<String>();
                lore.add("§7" + achievement.description);
                im.setLore(lore);
                is.setItemMeta(im);

                menu.setItem(count,is);
                count++;
            }else{
                is = new ItemStack(Material.GRAY_DYE);
                ItemMeta im = is.getItemMeta();
                im.setDisplayName(ChatColor.RED + "✖ ????");
                ArrayList<String> lore = new ArrayList<String>();
                lore.add("§7????");
                im.setLore(lore);
                is.setItemMeta(im);

                menu.setItem(count,is);
                count++;
            }
        }
        user.openInventory(menu);
    }

    public FileConfiguration custom(){
        File f = new File("plugins/HpWave2",  "achievements.yml");
        FileConfiguration c = YamlConfiguration.loadConfiguration(f);
        return c;
    }
}

============

============

public class achievements {

    String shortName;
    String name;
    String description;
    Integer credits;

    public achievements(String shortName, String name, String description, Integer Credits){
        this.shortName = shortName;
        this.name = name;
        this.description = description;
        this.credits = Credits;
    }

    public void store(){
        Main.getInstance().achStore.put(this.shortName,this);
    }
}

============

============

public class saving {

    public saving(){}

    public void load(){
        new achievements("welcome","Joining McAmusement", "Enter the gates of McAmusement",50).store();
        new achievements("disneyland", "Where it all started", "Visit Disneyland!", 10).store();
        new achievements("dca","2nd gate","Visit Disney California Adventure!",10).store();
        new achievements("epcot","The future", "Visit Epcot!",10).store();
        new achievements("mgm","Lights...Camera...ACTION","Visit MGM studios",10).store();
        new achievements("woc","Carousel of Color","That's a lot of water.",20).store();
        new achievements("gotg","Mission BREAKOUT", "Hey I can see thanooooooosssssssssssss",20).store();
        System.out.println(ChatColor.AQUA + "[HpCore] All achievements have been registered.");
    }
}