C++’s thread safe smart pointers are three times slower than Java references. And Java has HotSpot Java Virtual Machine (JVM), which features just-in-time (JIT) compilation for better performance.

Answer by Gayle Laakmann McDowell, Ex-Googler, Author of Cracking the Coding Interview and The Google Resume, If there are two programmers who are equally good, but one knows Java and the other ...

C++ and Java. For anyone writing their own or adopting Google’s parser written in C++ (a super fast compiled language), Google has released the source code for its robots.txt parser validation ...