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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.
Naming conventions for Java translation:
count_different_matrices
=>countDifferentMatrices
SamplesTests
=>samplesTests
Side node: To preserve existing solutions, we should internally try to call the new solution method first, then the old method (if needed). There are several examples of this technique in other kata that can be used as a reference.
Duplicate?
Is this a joke or did you publish the kata way too soon?