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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.
Because this implementation needs FIFO behavior. Though, kotlin lists have first() and last() methods that may provide same behavior original Java lists didn't. Moreover, some would say that push() and pop() is semantisemantically clearer.
Why simple list will not do the job? Don't understand what's the purpose of using
StackorArrayDequehere...It would be better to use ArrayDeque instead of java.util.Stack as suggested in multiple articles. By the way quite good and clear solution)
Even though this is very succinct, it is not very readable.