Oz is an actively used programming language created in 1991. Oz is a multiparadigm programming language, developed in the Programming Systems Lab at Université catholique de Louvain, for programming language education. It has a canonical textbook: Concepts, Techniques, and Models of Computer Programming. Oz was first designed by Gert Smolka and his students in 1991. Read more on Wikipedia...

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### Example code from the Hello World Collection:

```% Hello World in Oz

functor
import
System
Application
define
{System.showInfo "Hello World!"}
{Application.exit 0}
end```

### Example code from Linguist:

```% You can get a lot of information about Oz by following theses links  :
% - http://mozart.github.io/
% - http://en.wikipedia.org/wiki/Oz_(programming_language)
% There is also a well known book that uses Oz for pedagogical reason :
% - http://mitpress.mit.edu/books/concepts-techniques-and-models-computer-programming
% And there are two courses on edX about 'Paradigms of Computer Programming' that also uses Oz for pedagogical reason :
% - https://www.edx.org/node/2751#.VHijtfl5OSo
% - https://www.edx.org/node/4436#.VHijzfl5OSo
%
% Here is an example of some code written with Oz.

declare
% Computes the sum of square of the N first integers.
fun {Sum N}
local SumAux in
fun {SumAux N Acc}
if N==0 then Acc
else
{Sum N-1 Acc}
end
end
{SumAux N 0}
end
end

% Returns true if N is a prime and false otherwize
fun {Prime N}
local PrimeAcc in
fun {PrimeAcc N Acc}
if(N == 1) then false
elseif(Acc == 1) then true
else
if (N mod Acc) == 0 then false
else
{PrimeAcc N Acc-1}
end
end
end
{PrimeAcc N (N div 2)}
end
end

% Reverse a list using cells and for loop (instead of recursivity)
fun {Reverse L}
local RevList in
RevList = {NewCell nil}
for E in L do
RevList := E|@RevList
end
@RevList
end
end
```

### Example code from Wikipedia:

```class Counter
attr val
meth init(Value)
val:=Value
end
meth browse
{Browse @val}
end
meth inc(Value)
val :=@val+Value
end
end

local C in
C = {New Counter init(0)}
{C inc(6)}
{C browse}
end```

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Last updated August 9th, 2020

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