Name:Carey
Clan:Columbus Academy
Member Since:Jan 2021
Last Seen:Jun 2022
Profiles:
Following:5
Followers:5
Allies:5
Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
This is a 99% duplicate to https://www.codewars.com/kata/582aad136755daf91a000021 with slight, trivial differences.
Would it be more appropriate to return
org.apache.commons.lang3.tuple.ImmutablePairclass instead of array? Or at least use an empty array for negative cases?Returning nulls for arrays and collections is considered to be a bad practice in general.