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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.
Thank you for your answer.
Hello, First of all good kata.
I pass all test but I cannot pass the next one: zeroAndNull(Tests)
I return 0 but is not correct.
Can you tell me why 0 is not correct?
I am using java.
Thanks
Best regards!
I agree with you.
After hard katas that was so funny.
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