By Eduardo Diaz
- Write apps for the multithreaded global with Clojure's style of sensible programming
- Discover Clojure's positive factors and benefits and use them on your latest projects
- The ebook is designed in order that you will be capable positioned to take advantage of your current talents and software program wisdom to turn into a more suitable Clojure developer
We have reached some extent the place machines aren't getting a lot quicker, software program initiatives have to be introduced speedy, and top of the range in software program is extra hard as ever.
We have to discover new methods of writing software program that is helping in achieving these targets. Clojure bargains a brand new risk of writing prime quality, multi-core software program swifter than ever, with no need to depart your present platform.
Clojure for Java builders goals at unleashing the genuine strength of the Clojure language to exploit it on your tasks. The publication starts with the deploy and setup of the Clojure atmosphere ahead of relocating directly to discover the language in-depth. Get accustomed to its numerous good points comparable to practical programming, concurrency, and so on. with the aid of instance tasks. you will also additionally, find out how the tooling works, and the way it interacts with the Java environment.
By the tip of this ebook, you've a company grip on Clojure and its gains, and use them successfully to write down extra strong 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 facts constructions, and what makes them possible for daily programming
- Write basic multi-core courses utilizing Clojure's middle options, like atoms, brokers and refs
- Understand that during Clojure, code is information, and the way to exploit that truth by means 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 which means of polymorphism and remember the fact that OOP isn't the in simple terms option to get it
About the Author
Eduardo Diaz is a developer with a robust history within the Java language. He has a fondness for practical programming and new programming paradigms. His paintings contains complete stack improvement, platforms layout, and excessive quantity genuine time information processing.
He has labored on each expertise similar challenge you could think, as a expert fixing whatever regarding Java, UNIX, C, or the other unusual challenge you 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 enlargement, 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 one can use data.
Table of Contents
- Getting began with Clojure
- Namespaces, programs, and Tests
- Interacting with Java
- Collections and useful Programming
- Multimethods and Protocols
- Macros in Clojure
Read or Download Clojure for Java Developers PDF
It’s a ways ahead―16 chapters, to be designated. yet bear in mind, each ninja’s trip starts off with a unmarried web page (or whatever like that, anyway). So, flip the web page and let’s start!
Practical examples comprise construction a number of models of the Chat app:
•jQuery + Parse. com JS relaxation API
•Backbone and Parse. com JS SDK
•Backbone and Node. js
•Backbone and Node. js + MongoDB
The Chat software has all of the starting place of a standard web/mobile program: fetching info, showing it, filing new data.
Other examples within the ebook are as follows:
•jQuery + Twitter RESP API “Tweet Analyzer”
•Parse. com “Save John”
•MongoDB “Print Collections”
•Backbone. js “Apple Database”
•Monk + convey. js “REST API Server”
This booklet will prevent many hours via offering a hand-picked and confirmed number of quickly begin publications. RPJS has functional examples that let to spend much less time studying and extra time development your individual functions. Prototype quick and send code that matters!
What you'll Learn:
You may still anticipate a uncomplicated knowing from a set of fast commence publications, tutorials and proposals for the advance apps mentioned during this e-book.
In addition to coding examples, the publication covers nearly all setup and deployment step by step.
You’ll examine from the examples of Chat web/mobile functions beginning with front-end parts and through the tip we’ll positioned front-end and back-end jointly and set up to the creation setting.
Who This ebook is For:
I've been a certified developer for four years now in most cases targeted within the home windows companies and again flooring communique pipelines. i used to be requested to select up aid for an app written with alot of jQuery. i used to be given "jQuery Cookbook" by means of a chum and that i fell in love. it really is directly into the beef. often i need to wait 2-4 chapters sooner than the worthwhile stuff will get going and with the cookbook i used to be diving in instantly.
- jQuery in Action
Extra info for Clojure for Java Developers
SimpleEntry. AbstractMap$SimpleEntry. AbstractMap) and the dollar sign. clj. Let's try to do this the Clojure way. getWidth image) [ 44 ] Chapter 3 We now have an image instance and you can call all of the Java methods in the REPL. getHeight image)]) (defn generate-thumbnail [image size] (Scalr/resize image Scalr$Mode/FIT_TO_WIDTH size (into-array BufferedImageOp ))) (defn get-image-width [image-path] (let [image (load-image image-path) [w _] (image-size image)] w)) You can see that in this code we use the inner class syntax, with Scalr$Mode.
Class …. xml. Nothing forbids you from storing anything else in the classpath resources, such as images, mp3 or even code! You can read and access anything from the classpath's resource like you can from the filesystem at runtime. The one thing that you can't do is modify the classpath's resource contents (at least not without some esoteric magic). Back to Clojure namespaces Now that we have had our little review of how packages and the classpaths work in Java, it's time to go back to Clojure. You should understand that Clojure attempts to make the hosting platform transparent; this means a couple of very important things: • Anything that you can do with the classpath from Java, you can also do with Clojure (you can read configuration files, images, etc).
The next parameters are the parameters of the constructor. )) The difference here is that we have a trailing dot; we prefer to see this syntax since it is shorter. Calling an instance method Once we have created our object we can call instance methods. This is done similar to how we call Clojure functions, using the special dot form. If we want to add an element to our newly created list, we will have to do it, as shown: (. add a 5) This syntax might look a little strange; here is how this syntax is formed: (.
Clojure for Java Developers by Eduardo Diaz