January 2017
Intermediate to advanced
565 pages
13h 46m
English
Content preview from Clojure: High Performance JVM ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Clojure interop syntax
Clojure was designed to be a Hosted Language, which means that it can run in different environments or runtimes. One important philosophy aspect is that Clojure does not attempt to get in the way of your original host; this allows you to use your knowledge of the underlying platform to your advantage.
In this case, we are using the Java platform. Let's look at the basic interrupt syntax that we need to know.
Creating an object
There are two ways to create an object in Clojure; for example, let's have a look at how to create an instance of java.util.ArrayList.
(def a (new java.util.ArrayList 20))
Here, we are using the new special form, as you can see it receives a symbol (the name of the class java.util.ArrayList) and in this ...
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