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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.
Jesus, I used over 30 lines of code. Now I feel stupid)
I was using GregorianCalendar, which is incorrect for years before 1583. So you were right:) Thank you for this kata, I've learned a lot while I was solving it
Plz check Java tests, my code works with any year I chose, it also works with sample tests, but fails for submitting.
Thanks a lot! Really enjoyed this Kata.