Java 8 – Stream Collectors groupingBy examples
In this article, we will show you how to use Java 8 Stream Collectors to group by, count, sum and sort a List, and also do a mapping.
Java 8 – Convert List to Map
Few Java 8 examples to show you how to convert a List of objects into a Map, and how to handle the duplicated keys.
Java 8 Streams filter examples
In this tutorial, we will show you few Java 8 examples to demonstrate the use of Streams filter(), collect(), findAny() and orElse()