KwickClips Cyber Safety and Ethics · 41 sec · free
Which is the base class in Car: Vehicle?
Short answer. Vehicle.
What does polymorphism mean?
One name, many forms.
Two OOP ideas
| Idea | Means | Example |
|---|---|---|
| Inheritance | reuse a class | Car: Vehicle |
| Polymorphism | many forms | area() |
Remember
| Inheritance: base to derived |
| Polymorphism: one name, many forms |
Can one function name do different jobs? Yes. Two more ideas. Inheritance lets Car reuse Vehicle code. Polymorphism lets area work for a circle and a square. Inheritance goes from base to derived. Polymorphism is one name, many forms.
This clip is from the full lesson: Basic Concepts of OOP in C++ — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: NIOS Senior Secondary Computer Science (330)
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