The peek() method from the Java Stream API is often misunderstood. Let’s try to clarify how it works and when should be used.
Stream<T> peek(Consumer<? super T> action)
Vavr is now a must-have for every modern Java 8+ project. It encourages writing code in a functional manner by providing a new persistent Collections API along with a set of new Functional Interfaces and monadic tools like Option, Try, Either, etc. Continue reading