List拆分成多个List

/**
 * 将一个list均分成n个list来批量插入
 *
 * @param source
 * @return
 */
private List<List<T>> averageAssign(List<T> source, int n) {
    List<List<T>> result = new ArrayList<>();
    int size = source.size();
    int number = size % n == 0 ? size / n : (size / n) + 1;
    List<T> value;
    for (int i = 0; i < number; i++) {
        if (i == number - 1) {
            value = source.subList(i * n, size);
        }
        else {
            value = source.subList(i * n, (i + 1) * n);
        }
        result.add(value);
    }

    return result;
}