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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 think there might be something wrong with the Java version, the Test cases will only run with a single assert, tried copiying it into my IDE and found that to be the problem. Switched to Javascript and all was OK, not sure what the problem is.
C# "multiply" shouldn't be lowercase, C# is Pascal Case, capital first letters for methods.
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