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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.
So it turns out one of them is an empty arraylist and the other is an arraylist with one empty string. I don't remember which one the challenge wants but that's the difference between them.
Same problem, please tell me if you have solved it
[em, em]
everything that isn't a letter or an apostrophe should be treated as a space between words and removed. Apostrophes that aren't part of a word should also be removed.
for another exampled "Ugh, heck-darn why won't my code run?" --> ["ugh", "heck", "darn", "why", "won't", "my", "code", "run"]
expected: java.util.Arrays$ArrayList<[]> but was: java.util.Arrays$ArrayList<[]>
:/
Someone please help I don't know what's going on. There's also this:
Incorrect match: words not present in the string. Your output: []. One possible valid answer: []