[Stk] newbie question

[Josep M Comajuncosas]

Hi,
just an , I guess, idiomatic question about the Stk library.
Say I use one of the generator classes
 
SineWave sine;
sine.setFrequency(...)
 
I don't see where is the SineWave instance err..instanced, like
 
SineWave sine = new SineWave();
 
as those are not class methods but instance methods. Is the sine constructed
just by declaring it?
Am I lost somewhere?
 
Thanks in advance...
Josep M
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