Here's what I've learned over 20 years of working with both C++ and Java (and more years before that with C++): As a rule of thumb, when you convert optimized C++ to Java, the code is about 3x ...

Nevertheless, Java performance approaches that of C and C++, and projects such as Quarkus enable Java microservices to be compiled right down to binary, so the virtual machine issue goes away.

Java seems to be on the losing side, says Paul Jansen, CEO of TIOBE Software. In April 2020, Java gave up its No. 1 spot to C o on the TIOBE index. Later, in 2021, Python became unstoppable and ...