Java:list集合拆分

 
    public static  List> splitList(List list, int len) {
        if (list == null || list.size() == 0 || len < 1) {
            return null;
        }

        List> result = new ArrayList>();


        int size = list.size();
        int count = (size + len - 1) / len;


        for (int i = 0; i < count; i++) {
            List subList = list.subList(i * len, (Math.min((i + 1) * len, size)));
            result.add(subList);
        }
        return result;
    }