Name:Unknown
Clan:UC Santa Cruz
Member Since:Nov 2021
Last Seen:Jul 2022
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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.
It was not until looked up the discussion I knew that I had to throw runtime exceptions for invalid parameters. The problem description should have been more precise.