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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.
Wow, ive just check this solution and its actually wrong, Exception with "only one semicolon"!
wow, nested class here is rly good decision, respect from me!