Every software that&#x27;s widely used and isn&#x27;t a crap gimmick is written in C&#x2F;C++.<p>Android&#x2F;Linux is mostly C. Google Search-C++. Web browsers-C++. Java VM is a c++ program. Games-C++.<p>The only place Java&#x2F;Ruby&#x2F;Python&#x2F;etc has a foot hold is in websites providing crap gimmics that are just wrappers over C&#x2F;C++ programs. Like uploading a photo or tweet, just providing some glue over all the C&#x2F;C++ programs that actually do the work.