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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.
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Isn't an underscore a punctuation character?
Having completed this task in Java, I discovered my solution considered 2 edge cases that had no test cases:
the_next_word-breakS
->theNextWordBreaks
is reversible in future operations (other than the de-capitalisation of the lasts
which will be lost), ->theNextWordBreakS
is not.-_hello_world_-
transform tohelloWorld
(as I would expect) orHelloWorld
(because the "first word" was empty)?