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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.
I am able to create the correct string with my implementation, which I know because I can return a substring of the function's result and it will be displayed in output. However when I return the entirety of the result, this throws an out of range error. Does anyone know what might be going on? (I am writing in Java)