Java Functional Programming

Manning Publications

Functional Programming in Scala                  

Pragmatic Bookshelf

Functional Programming in Java: Harness the Power of Streams and Lambda Expressions (English Edition)

Manning Publications

Functional Programming in Java: How functional techniques improve your Java programs

Manning Publications

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

O'Reilly UK Ltd.

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

Manning Pubns Co

Grokking Functional Programming                  

Independently published

Java Functional Programming Made Simple: A Practical Guide with Examples

O'Reilly Media

Functional Programming for Java Developers      

Learn Functional Programming The Fast Way!: A former Java/OOP instructor teaches FP in the fastest way he knows (English Edition)

Independently published

Mastering Java Streams and Functional Programming: Unlock the Secrets of Expert-Level Skills