That's correct. On both of these sites, I may use C, C++, C#, Java, Python, PHP, Ruby, or Perl. On Interviewstreet I may also use Haskell. On Codility I may also use Javascript, Pascal, or VB.NET. "The language of your choice" would probably include Algol-68, Lua, more than zero Lisps, D, and Brainfuck.