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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.
This line "1234567890".contains(s) is brilliant!
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I feel really silly now, this is great.
I don't get a single line XD
Don't be, I am 35 lines ahead :)
Great! Now I feel stupid, lol...
I love this solution :D
Nice one :)
As a little improvements :
Like this one so much!
How does Stream.<Predicate>of() work? Is it casting the output of the method?
As always, now i feel terrible for my 100 lines solution. Not that I was going for simple, but I do wish I knew more about this functional programming thingy. it's so more concise and easy to read.