Slow is relative. Java was originally an alternative to C++, which is much closer to the metal and can be significantly faster than the JVM allows. If you're d

Slow is relative. Java was originally an alternative to C++, which is much closer to the metal and can be significantly faster than the JVM allows. If you're deciding to use Clojure or Kotlin, the alternatives you're considering are probably Java and Scala, or maybe even a web-friendly scripting language - not C or C++.