Latest release of the JVM language also features hundreds of new and improved extension methods including 10x faster arrays.

For both short- and long-term allocations, the C++ program is considerably faster than the Java program running on any JVM. Short-term allocations have been one focus area for optimization in HotSpot.

JVM languages -- programming languages that run on the Java Virtual Machine (JVM), such as Kotlin, Clojure, Groovy and Scala -- are increasingly popular with software developers that seek Java-like ...