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.

In this Java performance tuning guide, learn how to put together an application performance manifesto and how to investigate shared resources that might cause a Java performance problem.