If you go on Jagex's main site not the runescape one then look for Job listings and provided you have a few degrees ( success in university for certain parts ).
This question is one that would be impossible to answer, unless you work for the JaGex company.
They are located in Cambridge in the United Kingdom, Jagex (the company that made RuneScape) is an English company.
as long as your java is of a new version, runescape should work fine.
RSPS isn't a company, RSPS stands for Runescape Private Servers which in return is a rip of RuneScape (Jagex Ltd.).
Runescape accounts do not work with frugooscape. Frugooscape is a separate entity from Jagex.
No
Yes, it should be able to work. If not try to contact Runescape.
Yes. I make $82,100/year owning a gold farming company on runescape.
no
Yes.
you cant
Because you can't cheat in Runescape, Jagex does state that....