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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.
Good improvement. Well done
If you want. It can't hurt.
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Well done. Thanks
fyi random tests in Java are not checking anything. Please fix
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I really like the readability
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clean
I realise now that this solution is flawed. Integer overflow occurs for "sum" in:
assertFalse(NumberUtils.isNarcissistic(999999999), "999999999 is not narcissistic");
nice1