If You Re A Developer With Core Java SE Skills, This Hands On Book Takes You Through The Language Changes In Java Triggered By The Addition Of Lambda Expressions You Ll Learn Through Code Examples, Exercises, And Fluid Explanations How These Anonymous Functions Will Help You Write Simple, Clean, Library Level Code That Solves Business ProblemsLambda Expressions Are A Fairly Simple Change To Java, And The First Part Of The Book Shows You How To Use Them Properly Later Chapters Show You How Lambda Functions Help You Improve Performance With Parallelism, Write Simpler Concurrent Code, And Model Your Domain Accurately, Including Building Better DSLsUse Exercises In Each Chapter To Help You Master Lambda Expressions In Java QuicklyExplore Streams, Advanced Collections, And Other Java Library ImprovementsLeverage Multicore CPUs And Improve Performance With Data ParallelismUse Techniques To Lambdify Your Existing Codebase Or Library CodeLearn Practical Solutions For Lambda Expression Unit Testing And DebuggingImplement SOLID Principles Of Object Oriented Programming With LambdasWrite Concurrent Applications That Efficiently Perform Message Passing And Non Blocking I O Short and concise book on java 8This books cover all aspect of java8 in concise manner One of the good book I read on java 8. I m a big fan of Functional Programming and a working Java developer at JDK 6 for app server compatibility That s where I m coming from.This is an EXCELLENT book for developers who are thoroughly familiar with good ol Java and want to know about the promise of fp style programming in the Java ecosystem The book is exactly as long as it needs to be Explanations are brief but edifying, code samples are useful The discussion is a nice mix of Hows and Whys Whies , along with some tempting Whats The attitude of the prose is helpful, conspiratorial and confident.If you re looking for a single serving introduction to Java 8 Lambdas, I don t think you ll find one better than this Another excellent resource is Brian Goetz s State of the Lambda, found here. This book would have gotten 4 stars, but I think there are a few places where it s just plain misleading In particular, the details about parallel and performance could lead to assumptions about easy payoffs from simply making stream operations parallel Warburton does acknowledge the safety needs here i.e., making your data immutable and such but he doesn t really address the fact that the simple parallelism offered here can quickly lead to decreases in performance and unpredictable behavior This is a serious enough concern that I thought it worth knocking a star off my rating That said, if you want to quickly get up to speed on the new Java 8 functionality, this is a solid resource for doing so. Does lambdas really well.
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- 125 pages
- Java 8 Lambdas
- Richard Warburton
- 06 August 2019 Richard Warburton