![]() ![]() Many thanks to Jake Wharton for helping with this article. ![]() It's succinct, efficient, easy-to-understand, and completely sidesteps any null checking whatsoever. In this case, the clear winner is groupingBy().eachCount(). Often times it depends on context for which strategy is best. (I don't mean to imply that this is an exhaustive list of strategies differing circumstances may yield more options.)
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