Java 8 HashMaps, Keys and the Comparable interface

* This post is intended to be a 101 quickie for the less experienced.
* It does not provide new or innovative ways of solving a certain problem,
* just summarizes a topic the way I see it.


Java 8 is coming with a lot of improvements/enhancements compared to the previous version. There are pretty many classes that have been updated, HashMap -as one of the most used data structure – is no exception. In this post, we are going to discover a new, important feature that Java 8 brings to us in case of hash collisions.

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