Month: September 2018

The groupingBy() is one of the most powerful and customizable Stream API collectors.

If you always find yourself not going beyond:

.collect(groupingBy(...));

…or simply wanted to discover more its potential uses, then this article is for you.

If you’re looking for a general Collectors API overview, head here.

In this article, we’ll see how to implement a custom sliding window Stream/Spliterator in Java.

Does the world need another way of implementing a sliding window operation in Java? Probably not, but you do – for your self-development.