Java 8 Stream - flatMap & Optional Example

Date: 2021-07-27

This tutorial explains the flatMap method and Optional class in Java 8 Streams. flatMap converts a stream of collections into a stream of objects, while Optional handles potential NullPointerExceptions. The tutorial provides examples demonstrating the use of flatMap with lists and with Optional objects, showcasing how to flatten nested structures and safely handle missing values. The code examples are available for download.

Read more: https://examples.javacodegeeks.com/java-8-stream-flatmap-optional-example/