Category: Java

A New JDK12 Stream API Collector – Collectors#teeing

A New JDK12 Stream API Collector – Collectors#teeing

Published February 9, 2019

When following major Java releases, we usually focus on bold and controversial JEPs while humble and tiny changes get introduced unnoticeably. One of such changes…

A Case Study of Implementing an Efficient Shuffling Stream/Spliterator in Java

Published December 30, 2018

Sorting a Stream instance is straightforward and involves just a single API method call. However, achieving the opposite is not that easy.

In this article, we’ll see how to shuffle a Stream in Java – eagerly and lazily using Stream Collectors factories, and custom Spliterators.

Revisiting the Template Method Design Pattern in Java

Published October 26, 2018

The conciseness of Java 8 Lambda Expressions sheds a new light on classic GoF design patterns. By leveraging functional programming we can get the same…