Guess the Programming Language

Can you tell Java from JavaScript? Awesome! So you are ready to take our ultimate programming challenge. You will face 20 difficult (or not) questions, each with a single correct answer. You will need 5 minutes, a bit of superhuman concentration and a life time of programming excellence to make it through.

Ready? Here we go..

Which is the language?


Great job!


Now make your friends jealous:


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I would like to vow for inclusion of nodejs. Also, I had the impression of some hard feelings with javascript

No hard feelings! I love js :)

SK Saini

Hi Martin,

Cool. I got 14 out of 20. Its really nice to know about a number of programming languages through this mini tutorial quiz. Thanks for posting this information.

Great to hear you've found it helpful!

Wooo perfect score!
I got some by elimination, though (never seen Erlang or Haskell, and never heard of Rust... or Chicken).
This is the obscure Javascript expression for those who want to try it:

Disappointed there was nothing old school...COBOL, RPG, ect...

Question 12 .. the answer is valid in both JavaScript and BrainFuck.

A tad too easy (20/20) :) You should make a tough version without hints because I got some through elimination :) chicken would be really hard... Ook is much better known :)

Wow That's Impressive

Got all of them haha Some were hard to guess though, had to get them by elimination as MaxArt ;P

Pop Catalin

It's way too easy. Should include more tricky and exotic languages.


19 out of 20, I'm unfamiliar Ruby :-(

Meh! 19/20. Didn't pay attention to that alert() :D

Hahah same here. I was absolutely sure that it was Javascript, but anyway I clicked Brainfuck :D

Same here, 19/20 and tripped on the alert. At a glance, I didn't think it was valid enough to run without an error so i chose Brainfuck.

Ashish Krishnan

I saw it, micro seconds before hitting Submit :P lol

I got 9/20... Shesh I need to study more!

You guessed 17 out of 20!

chiken chiken chiken chiken chiken chiken
chiken chiken chiken
chiken chiken


got 18/20.. The javascript one is very funny!

Sheesh, 10/20... well at least I got most of the C++ and HTML ones right, that's what I know anyway.

Ruhan Habib

20 / 20, almost got confused in erlang part!

Wow. Great job!

You guessed 16 out of 20!

Now make your friends jealous:

This is Funny

Got 19 out of 20 though I wasn't familiar with some of them :P


Got 17 out of 20! chicken???


An error with the brainfuck in the JS >_<


20/20 :)
That wasn't THAT hard, but you could put some better mix of the lesser used languages and make it really hard. Python vs Rust Ruby and GO, Javascript vs perl , C++ and PHP.
Maybe put Haskell, Closure Scala and Lisp together too!

Great fun! Besides adding more programming languages (or going into trickery requiring expert-grade familiarity), one suggestion if you add difficulty levels is to have all the languages (and some red herrings) on the right and requiring a match with a slide of code. I think that would make things quite a bit more tricky!

Chris Wong

The Rust example is out of date :(

Louis Orleans

20/20, unlike my eye sight. Was able to get the ones I was unfamiliar (Chicken, Scala, Rust) with by elimination. Should include more options per question.

Really entertaining (at least for nerds :D)....Got 18 out of 20

No Rebol? That'd fox a few folks.

Very proud of myself, 20/20. But I had to hold my breath when answering some of them, as I'm not familiar with all metioned languages.