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adding a multiple level inheritance example

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Jidong Xiao
2023-12-04 02:05:42 -05:00
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lectures/26_inheritance/README.md
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@@ -180,12 +180,14 @@ Create a class hierarchy of geometric objects, such as: triangle, isosceles tria
rhombus, kite, trapezoid, circle, ellipse, etc. How should this hierarchy be arranged? What member variables and
member functions should be in each class?
## 26.10 Note: Multiple Inheritance
## 26.10 Multiple Inheritance
- When sketching a class hierarchy for geometric objects, you may have wanted to specify relationships that were more complex... in particular some objects may wish to inherit from more than one base class.
- This is called multiple inheritance and can make many implementation details significantly more hairy. Different programming languages offer different variations of multiple inheritance.
- See [example 1](multiple_inheritance1.cpp) and [example 2](multiple_inheritance2.cpp).
- And see [example 3](multiple_level_inheritance.cpp) for a multiple level inheritance example.
## 26.11 Introduction to Polymorphism
- Let’s consider a small class hierarchy version of polygonal objects: