Method hashCode

src/main/java/org/bukkit/inventory/ItemStack.java:207–214

()

    }

    @Override
    public int hashCode() {
        int hash = 11;

        hash = hash * 19 + 7 * getTypeId(); // Overriding hashCode since equals is overridden, it's just
        hash = hash * 7 + 23 * getAmount(); // too bad these are mutable values... Q_Q
        return hash;
    }

    public Map<String, Object> serialize() {
        Map<String, Object> result = new LinkedHashMap<String, Object>();