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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.
Ya, that must be an issue with what they use to error check java. I'll remove that symbol to avoid confusion in the future.
Oh yes, that was intentional. The actual symbol is a §. Does the test case show it incorrectly?
What language is are you doing?