Back to notes -- Keyboard shortcut: 'u'  previous -- Keyboard shortcut: 'p'  next -- Keyboard shortcut: 'n'  Slide program -- Keyboard shortcut: 't'    A sample construction and sample dialogue with ColorPoint.Lecture 8 - slide 9 : 11
Program 2
1> (define cp (new-instance color-point 5 6 'red))

2> (send 'get-color cp)
red

3> (send 'getx cp)
5

4> (send 'gety cp)
6

5> (define cp-1 (send 'add cp (new-instance color-point 1 2 'green))) 

6> (send 'getx cp-1)
6

7> (send 'gety cp-1)
8

8> (send 'get-color cp-1)
Undefined message get-color

9> (send 'type-of cp-1)
point