Java is one of those OOPs based languages, along with Python and C++, that’s in demand right now. So, if you want to ride the bandwagon and use the language, you must download it on your system. Not ...
My impression it is for 64bit browsers (like IE 64 bit). I'm not sure if there is a 64bit Firefox. If you use a 32 bit browser, you still need to install the 32 bit Java. I think on their page it ...