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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.
[Node v18.x translation] (https://www.codewars.com/kumite/644b81234bdc9a00415da444?sel=644b81234bdc9a00415da444)
Fixed invalid number case.
Separated nullity, empty String and invalid numbers in different tests.
Made random test execute 50 times instead of 1.
Java translation