Welcome to DrScheme, version 206p1.
Language: Textual (MzScheme, includes R5RS).
Defined class: point
Defined class: 3dpoint
#t
> (define foo (new point 12 45))
> (define fum (new 3dpoint 5 7 9))
> (foo 'show)
[12,45]
> (fum 'show)
[5,7,9]
> (foo 'getx)
12
> (foo 'getz)
"Error: No method with signature:getz "
> (fum 'getx)
5
> (fum 'getz)
9
> (foo 'show 'Hello!)
(hello! 12 45)
> (fum 'show 'Howdy)
(howdy 5 7)
>