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Introducing Java 8Discount

Introducing Java 8

A quick-start guide to Lambdas and Streams.

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Introducing Java 8 Screenshot

Java SE 8 is perhaps the largest change to Java in its history, led by its flagship feature—lambda expressions. If you’re an experienced developer looking to adopt Java 8 at work, this short guide will walk you through all of the major changes before taking a deep dive into lambda expressions and Java 8’s other big feature: the Streams API.

    Author Raoul-Gabriel Urma explains how improved code readability and support for multicore processors were the prime movers behind Java 8 features. He’ll quickly get you up to speed on new classes including CompleteableFuture and Optional, along with enhanced interfaces and the new Date and Time API. You’ll also:
  • Understand why lambda expressions are considered a kind of anonymous function
  • Learn how lambda expressions and the behavior parameterization pattern let you write flexible and concise code
  • Discover various operations and data processing patterns possible when using the Streams API
  • Use Collector recipes to write queries that are more sophisticated
  • Consider factors such as data size and the number of cores available when using streams in parallel
  • Work with a practical refactoring example to bring lambda expressions and streams into focus

Review Written by Constantin Florea

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