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Clojure Programming Cookbook

Clojure Programming Cookbook

By : Makoto Hashimoto, Modrzyk
3 (1)
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Clojure Programming Cookbook

Clojure Programming Cookbook

3 (1)
By: Makoto Hashimoto, Modrzyk

Overview of this book

When it comes to learning and using a new language you need an effective guide to be by your side when things get rough. For Clojure developers, these recipes have everything you need to take on everything this language offers. This book is divided into three high impact sections. The first section gives you an introduction to live programming and best practices. We show you how to interact with your connections by manipulating, transforming, and merging collections. You’ll learn how to work with macros, protocols, multi-methods, and transducers. We’ll also teach you how to work with languages such as Java, and Scala. The next section deals with intermediate-level content and enhances your Clojure skills, here we’ll teach you concurrency programming with Clojure for high performance. We will provide you with advanced best practices, tips on Clojure programming, and show you how to work with Clojure while developing applications. In the final section you will learn how to test, deploy and analyze websocket behavior when your app is deployed in the cloud. Finally, we will take you through DevOps. Developing with Clojure has never been easier with these recipes by your side!
Table of Contents (11 chapters)
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Extending Java superclasses and implementing Java interfaces


Java provides a superclass and interface mechanism to provide encapsulation and extendibility. Let's have a look at how to extend existing Java superclasses and implement Java interfaces in Clojure.

Getting ready

In this chapter, we will learn how to define subclasses and how to implement superinterfaces. We will use Jackson and other libraries. So, the :dependencies section in your project.clj as follows:

:dependencies [[org.clojure/clojure "1.8.0"] 
                 [org.clojure/math.numeric-tower "0.0.4"] 
                 [com.fasterxml.jackson.core/jackson-core "2.7.0"] 
                 [com.fasterxml.jackson.core/jackson-databind "2.7.0"] 
                 [com.fasterxml.jackson.core/jackson-annotations "2.7.0"] 
                 ] 

How to do it...

Let's learn how to use proxy to implement Java interfaces.

Using proxy

proxy generates an anonymous class for superclasses and interfaces. In the previous...

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Clojure Programming Cookbook
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