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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.
Can you plz, explain what is the instruction missed here?
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True, very hard to catch especially i had this when using https://www.ehcache.org/ ! very hard to spot especially on production
i think you should comment about the nCopies underlying implementation i assume its stringbuilder ! but hard to rate the performance
for called methods from collections without proper knowing how its implemented