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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.
Wow nicee
Java translation
But since Java is typesafe and does not allow returned functions to be called directly, I had to use the "Functional API" of Java 8. If you think, this does not fit the Kata, feel free to reject this translation.
First of all, I noticed that you are not returning an array like what the question asked for. This line,
return i*a
, returns the first element ofarr
multiplied bya
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