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  • Book Overview & Buying Scala for Java Developers
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Scala for Java Developers

Scala for Java Developers

By : Thomas Alexandre
4.3 (16)
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Scala for Java Developers

Scala for Java Developers

4.3 (16)
By: Thomas Alexandre
Buy this Book

Overview of this book

Table of Contents (19 chapters)
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Scala for Java Developers
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Scala for Java Developers
Credits
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Credits
Foreword
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Foreword
About the Author
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About the Author
Acknowledgments
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Acknowledgments
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Programming Interactively within Your Project
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Programming Interactively within Your Project
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Advantages of using Scala for Java projects
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Learning Scala through the REPL
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Operations on collections
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Summary
2
Code Integration
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Code Integration
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Creating a REST API from an existing database
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Adding a test in Scala
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Setting up Scala within a Java Maven project
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Scala and Java collaboration
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Differences in style between Java and Scala code
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Summary
3
Understanding the Scala Ecosystem
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Understanding the Scala Ecosystem
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Inheriting Java Integrated Development Environments (IDEs)
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Building with Simple Build Tool (SBT)
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Experimenting with Scala Worksheets
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Working with HTTP
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Taking advantage of Typesafe Activator
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The REPL as a scripting engine
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Summary
4
Testing Tools
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Testing Tools
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Writing tests with ScalaTest
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Testing with ScalaCheck
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Summary
5
Getting Started with the Play Framework
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Getting Started with the Play Framework
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Getting started with the classic Play distribution
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Getting started with the Typesafe Activator
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Architecture of a Play application
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Playing with authentication
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Practical tips when using Play
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Summary
6
Database Access and the Future of ORM
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Database Access and the Future of ORM
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Integrating an existing ORM – Hibernate and JPA
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Dealing with persistence in the Play Framework
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Replacing ORM
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Learning about Slick
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Scaffolding a Play application
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Summary
7
Working with Integration and Web Services
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Working with Integration and Web Services
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Binding XML data in Scala
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Working with XML and JSON
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Handling Play requests with XML and JSON
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Summary
8
Essential Properties of Modern Applications – Asynchrony and Concurrency
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Essential Properties of Modern Applications – Asynchrony and Concurrency
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The pillars of Concurrency
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The Async library – SIP-22-Async
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Getting started with Akka
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Summary
9
Building Reactive Web Applications
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Building Reactive Web Applications
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Describing reactive applications
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Handling streams reactively
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Experimenting with WebSockets and Iteratees in Play
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Learning from activator templates
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Playing with Actor Room
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Summary
10
Scala Goodies
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Scala Goodies
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Exploring MongoDB
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Scratching the surface of Big Data
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Introducing DSLs in Scala
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Introducing Scala.js
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Final tips
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Summary
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Index
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Index

Final tips

The following sections enlist a few final tips and tricks that you might find handy while working with the REPL.

Copying and pasting in the REPL

As a reminder, this feature introduced in Chapter 8, Essential Properties of Modern Applications – Asynchrony and Concurrency, makes it easy to execute a full code snippet at once in the REPL. For instance, the following lines of command illustrate how the copy and paste feature in REPL helps the easy execution of code:

scala> :paste
// Entering paste mode (ctrl-D to finish)

[Copy a code block from somewhere with ctrl-C/ctrl-V]

  case class Person(name:String)

  val me = Person("Thomas")
  val you = Person("Current Reader")
  
  val we = List(you,me).map(_.name).reduceLeft(_+" & "+_)
  val status = s"$we have fun with Scala"
  
[Once you are done with pasting the code block, press ctrl-D]

// Exiting paste mode, now interpreting.

defined class Person
me: Person = Person(Thomas)
you: Person = Person(Current Reader)
we: String...
CONTINUE READING
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Tech Concepts
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Programming languages
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Scala for Java Developers
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