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

Modern Java in Action: Lambdas, streams, functional and reactive programming, Ma

Modern Java in Action: Lambdas, streams, functional and reactive programming

Functional Programming in Java : Harnessing the Power of Java 8 Lambda...

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

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

Java 8 Lambdas: Functional Programming For The Masses - Paperback - VERY GOOD