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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.
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First: I am not one of the guys who downvoted your post!
Second: I don't understand what you want...
Third: look at the top of he page -> 2,516 guys passed the java kata.
Cheers
What's between square brackets, is different between actual and expected.