Maurice Naftalin discusses stream performance problems and creates guidelines for getting the best performance from Java 8 streams.

Java 8 lambdas & new Streams API simplify common idiomatic constructs. This article investigates some common use cases in financial services and how they are easily solved with these new constructs.

Java’s stream operations would become more flexible and expressive and allow custom intermediate operations to manipulate streams of infinite size to the extent possible, under a proposal in the ...