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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 have a test scenario in Java where it appears that both the a and b arrays are empty when I try to log a[0] or b[0], which is being caught by my check for null/empty, and then failing because the test is expecting the output to be true. Am I missing something here? All other tests are passing.