Download Clojure for Java Developers by Eduardo Diaz PDF

By Eduardo Diaz

ISBN-10: 178528150X

ISBN-13: 9781785281501

Key Features

  • Write apps for the multithreaded global with Clojure's style of sensible programming
  • Discover Clojure's positive aspects and merits and use them on your present projects
  • The booklet is designed in order that you will be capable positioned to take advantage of your latest abilities and software program wisdom to develop into a more desirable Clojure developer

Book Description

We have reached some extent the place machines usually are not getting a lot swifter, software program initiatives must be added speedy, and prime quality in software program is extra not easy as ever.

We have to discover new methods of writing software program that is helping in achieving these pursuits. Clojure deals a brand new danger of writing prime quality, multi-core software program swifter than ever, with no need to go away your present platform.

Clojure for Java builders goals at unleashing the genuine power of the Clojure language to take advantage of it on your tasks. The publication starts off with the install and setup of the Clojure atmosphere ahead of relocating directly to discover the language in-depth. Get familiar with its quite a few positive factors reminiscent of useful programming, concurrency, and so on. with assistance from instance initiatives. you will also additionally, learn the way the tooling works, and the way it interacts with the Java environment.

By the tip of this e-book, you might have a company grip on Clojure and its positive factors, and use them successfully to write down extra powerful programs.

What you are going to learn

  • Understand the instruments for the Clojure global and the way they relate to Java instruments and criteria (like Maven)
  • Learn approximately immutable info buildings, and what makes them possible for daily programming
  • Write uncomplicated multi-core courses utilizing Clojure's center innovations, like atoms, brokers and refs
  • Understand that during Clojure, code is info, and the way to use that truth by way of producing and manipulating code with macros
  • Learn how Clojure interacts with Java, how the category loaders paintings and the way to exploit Clojure from Java or the wrong way around
  • Discover a brand new, extra versatile that means of polymorphism and remember that OOP isn't the simply strategy to get it

About the Author

Eduardo Diaz is a developer with a powerful historical past within the Java language. He has a keenness for sensible programming and new programming paradigms. His paintings comprises complete stack improvement, platforms layout, and excessive quantity genuine time info processing.

He has labored on each expertise comparable challenge you could think, as a expert fixing something relating to Java, UNIX, C, or the other unusual challenge you will have had.

As a developer, he has been operating for round 10 years on Java, Python, Scala, Clojure, within the media, financial institution, and basically communications industries.

He is at present operating at Grupo growth, a media corporation, the place he is helping layout and enforce a brand new content material supply platform aiming to empower content material editors and inspire builders to discover new how you can use data.

Table of Contents

  1. Getting begun with Clojure
  2. Namespaces, applications, and Tests
  3. Interacting with Java
  4. Collections and sensible Programming
  5. Multimethods and Protocols
  6. Concurrency
  7. Macros in Clojure

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Extra info for Clojure for Java Developers

Example text

We see that there is one test failing, we will go back to this in a bit; for now, let's see how to test in IntelliJ. [ 31 ] Namespaces, Packages, and Tests Testing in IntelliJ First of all, we need a new REPL configuration. You can do it as you learned in the previous chapter. You just need to follow the following steps: 1. clj file and select Create REPL for ns-playground, as shown in the following screenshot: 2. Then click on OK in the next dialog. 3. clj file and selecting Run REPL for ns-playground.

First of all, let's review what we already know from Java. Packages in Clojure The Java code is organized in packages, a package in Java is a namespace that allows you to group a set of similar classes and interfaces. You can think of a package as something very similar to a folder in your computer. lang: Everything that's native to Java, including basic types (integer, long, byte, boolean, character, string, number, short, float, void, and class), the basic threading primitives (runnable, thread), the basic primitives for exceptions (throwable, error, exception), the basic exceptions and errors (NoSuchMethodError, OutOfMemoryError, StackOverflowError, and so on) and runtime access classes like runtime and system.

Util: This is one of the most heavily used packages besides java. lang. This includes the classic data structures (map, set, list) along with the most common implementations of such data structures. This package also includes utilities like properties tools, scanner for reading from various input resources, ServiceLoader to load custom services from the classloader, UUID generator, timers, and so on. logging: The logging utilities, you normally use them to give you different levels of alert, from a debug to serious conditions.

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Clojure for Java Developers by Eduardo Diaz

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