Java HashSet Becomes a Little Faster By @YFain | @CloudExpo #Cloud

I was experimenting with Java HashSet, which is a pretty expensive collection to create, but it has a benefit of the O(1) performance on the retrieval of elements from this collection. Based on my experiments performance of HashSet is improved over the last year. I’ve written a small benchmark comparing the performance of the one year old JRE 1.8.0_05 with the latest 1.8.0_51. In my tests I’m creating a HashSet containing 100000 objects.

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