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Java 8 in Action

**Summary**
*Java 8 in Action* is a clearly written guide to the new features of Java 8. The book covers lambdas, streams, and functional-style programming. With Java 8’s functional features you can now write more concise code in less time, and also automatically benefit from multicore architectures. It’s time to dig in!
Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.
**About the Book**
Every new version of Java is important, but Java 8 is a game changer. *Java 8 in Action* is a clearly written guide to the new features of Java 8. It begins with a practical introduction to lambdas, using real-world Java code. Next, it covers the new Streams API and shows how you can use it to make collection-based code radically easier to understand and maintain. It also explains other major Java 8 features including default methods, Optional, CompletableFuture, and the new Date and Time API.
This book is written for programmers familiar with Java and basic OO programming.
**What’s Inside**
* How to use Java 8’s powerful new features
* Writing effective multicore-ready applications
* Refactoring, testing, and debugging
* Adopting functional-style programming
* Quizzes and quick-check questions
**About the Authors**
**Raoul-Gabriel Urma** is a software engineer, speaker, trainer, and PhD candidate at the University of Cambridge. **Mario Fusco** is an engineer at Red Hat and creator of the lambdaj library. **Alan Mycroft** is a professor at Cambridge and cofounder of the Raspberry Pi Foundation.
**Table of Contents**
##### PART 1 FUNDAMENTALS
1. Java 8: why should you care?
2. Passing code with behavior parameterization
3. Lambda expressions
##### PART 2 FUNCTIONAL-STYLE DATA PROCESSING
1. Introducing streams
2. Working with streams
3. Collecting data with streams
4. Parallel data processing and performance
##### PART 3 EFFECTIVE JAVA 8 PROGRAMMING
1. Refactoring, testing, and debugging
2. Default methods
3. Using Optional as a better alternative to null
4. CompletableFuture: composable asynchronousprogramming
5. New Date and Time API
##### PART 4 BEYOND JAVA 8
1. Thinking functionally
2. Functional programming techniques
3. Blending OOP and FP: comparing Java 8 and Scala
4. Conclusions and where next for Java
##### APPENDIXES
1. Miscellaneous language updates
2. Miscellaneous library updates
3. Performing multiple operations in parallelon a stream
4. Lambdas and JVM bytecode
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