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21:
22: Rectangle::Rectangle():
23: itsWidth(5),
24: itsLength(10)
25: {}
26:
27: Rectangle::~Rectangle()
28: {}
29:
30: int main()
31: {
32: Rectangle* pRect = new Rectangle;
33: const Rectangle * pConstRect = new Rectangle;
34: Rectangle * const pConstPtr = new Rectangle;
35:
36: cout << pRect width: << pRect->GetWidth() << feet\n;
37: cout << pConstRect width: ;
38: cout << pConstRect->GetWidth() << feet\n;
39: cout << pConstPtr width: << pConstPtr->GetWidth()
<< feet\n;
40:
41: pRect->SetWidth(10);
42: // pConstRect->SetWidth(10);
43: pConstPtr->SetWidth(10);
44:
45: cout << pRect width: << pRect->GetWidth() << feet\n;
46: cout << pConstRect width: ;
47: cout << pConstRect->GetWidth() << feet\n;
48: cout << pConstPtr width: << pConstPtr->GetWidth()
<< feet\n;
49: return 0;
50: } |
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pRect width: 5 feet
pConstRect width: 5 feet
pConstPtr width: 5 feet
pRect width: 10 feet
pConstRect width: 5 feet
pConstPtr width: 10 feet |
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Analysis: Lines 620 declare Rectangle. Line 12 declares the GetWidth() member method const. Line 32 declares a pointer to Rectangle. Line 33 declares pConstRect, which is a pointer to the constant Rectangle. Line 34 declares pConstPtr, which is a constant pointer to Rectangle. |
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Lines 3638 print the value of the widths. |
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