It can also connect to JavaScript libraries like Node.js for Web applications. Examples include Jython and JRuby that let programmers write Java programs in Python and Ruby, respectively.Ĭlojure lets programmers write in Lisp and produce code that can easily integrate with Java and code that uses Microsoft’s. That means that you can use any programming language you want to write Java applications, as long as you can compile your language to produce bytecode. NET language followed suit with the CLR (Common Language Runtime).Īnother advantage of the JVM, however, is that Java bytecode is an open, documented standard. The JVM gives Jave its portability between operating systems. A Java program compiles to bytecode which runs on the JVM. One of the strengths of the Java platform is the Java Virtual Machine (JVM). Of course, the true story is more complex. But I have to say that my first thought was “What? You mean I can at last combine the terse, unreadable code of Lisp with the performance hit of running Java? Sign me up!” Today was the first time I had heard of it. I have no personal animus against Clojure. If you want the sales page for the technical crowd, see the Rationale page. In other words, it’s targeted at the ‘suits’. That was the equivalent of a marketing release for Clojure. I hope you find Clojure’s combination of facilities elegant, powerful, practical and fun to use.” When mutable state is needed, Clojure offers a software transactional memory system and reactive Agent system that ensure clean, correct, multithreaded designs. Clojure is predominantly a functional programming language, and features a rich set of immutable, persistent data structures. Clojure provides easy access to the Java frameworks, with optional type hints and type inference, to ensure that calls to Java can avoid reflection.Ĭlojure is a dialect of Lisp, and shares with Lisp the code-as-data philosophy and a powerful macro system. Every feature supported by Clojure is supported at runtime. Clojure is a compiled language – it compiles directly to JVM bytecode, yet remains completely dynamic. It is designed to be a general-purpose language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming. “ Clojure is a dynamic programming language that targets the Java Virtual Machine ( and the CLR, and JavaScript).
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