RosettaCodeData/Task/Classes/Oz/classes.oz

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declare
class Something
feat
name %% immutable, public attribute (called a "feature")
attr
count %% mutable, private attribute
%% public method which is used as an initializer
meth init(N)
self.name = N
count := 0
end
%% public method
meth increase
count := @count + 1
end
end
in
%% create an instance
Object = {New Something init("object")}
%% call a method
{Object increase}