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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.
This function needed to return an int array. One way to do this was to build a new array and add the min and max to it and then return. But here you are doing it in one step without giving the array a variable name. You create a new int[] and initialize it all in one line.