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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.
You could put all the
Integer.parseInt
into one trycath since in your approach are not saving the value.Too much instruction for such a simple problem, can be simplified