I don&#x27;t know about Go, but it certainly is as fast as Java. And it can definitely be faster than your average Java program, because you will have a really easy time doing concurrency. That is why it is a neat language, worth investigating.<p>It is by default slower than Java and Go because the default data structures are immutable. When execution speed is more important than statelessness you can make your data structures mutable.<p>Read more about that here <a href="http:&#x2F;&#x2F;clojure.org&#x2F;transients" rel="nofollow">http:&#x2F;&#x2F;clojure.org&#x2F;transients</a><p>Happy holidays :)