Inheritance
- – Mechanism to create new objects (child objects) based on old ones (parent object). New objects inherit the qualities of its old object.
- – E.g. • Parent Class: Mammals • Child Class: Human, Cat, Dog etc.
- – Ease of maintenance • If mammals became cold-blooded only change Mammals property •
Polymorphism
- – Dictionay: Occurrences of different forms, stages, or types
- – Having many forms or implementation of a particular functionality
- – Also exist in real word like inheritance
- – E.g.
- Draw command can have different implementation for circle, line, rectangle.
- In Lab WhoAreYou() method of Car, Truck and Bus classes
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