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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.
when you are not sure, please do not raise an
issuejust yet. try your code on your own machine first, and see what happens. you can ask aquestionfor help. there are more than 3,000 Java solutions so it is unlikely that the tests are faulty.i get this error:
java.lang.NumberFormatException: For input string: "9876543210"
I guess its because the input value is bigger than the max size of a long value.
Is this my mistake or a mistake of the tests? (I use java 17)