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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.
Java : description asks for a
Map<String, int>but tests expect anint[].I find it a bit too easy for a 5kyu, and the java solution returns an int array, not a Map<String,int> I think it needs to be updated, it's deceiving