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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.
Java: How's it possible to check if an int array is null? Shouldn't this work only for object arrays?
Awesome!
Fixed.
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Pretty sure
null
has no length property. ;)The right error message you should be seeing is this:
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