@Override
    public Value remove(Key key) {
        if (key == null) {
            return null;
        }
        Value value = null;
        int removableIndex = this.findIfKeyExist(key);
        if (removableIndex != -1 && table[removableIndex] != null) {
            value = table[removableIndex].value;
            table[removableIndex] = null;
        }
        return value;