Functional Java: A Guide to Lambdas and Functional Programming in Java 8

Functional Java: A Guide to Lambdas and Functional Programming in Java 8 (Paperb

Functional Java: A Guide to Lambdas and Functional Programming in Java 8 by M...

Java 8 in Action: Lambdas, streams, and functional-style programming by Urma

Functional Java : A Guide to Lambdas and Functional Programming in Java 8 by ...

Java 8 Lambdas : Pragmatic Functional Programming (O'Reilly)