Array List get operation

arrayListGetOperation.hpp

/**
 * Finds and returns an element by its index.
 *
 * @tparam T type
 * @param index index of the required element.
 * @return the element required
 */
template<typename T>
T ArrayList<T>::get(const int index) const {
    if (index < 0 || index >= _size) {
        // If the index is out of bounds, throw an exception.
        throw std::invalid_argument("Index out of bounds");
    } else {
        // Retrieve the element from the specified index.
        return _array[index];
    }
}