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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.
I like how a lot of us moved the braces to be next to its corresponding line.
You just have to think more logical. I interpreted the kata as in one has to be even and the other odd and viceversa... but is as simple as they have to be different.
ik its been 7 months but I'll answer for anyone new here. .equals() is used to compare two Strings. == is for numbers.