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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.
Keep getting differents errors on Achievements. I make a List and "error: cannot find symbol".
When I make a String[] the output is "[Ljava.lang.String;@568db2f2"
The rest of the logic seems flawless. Dont know how to solve the Achievements Array