1. Inheritance and
Polymorphism
Programming in C#
tnngo2@gmail.com

2. Inheritance

3. Inheritance

4. Purpose of Inheritance
reuse common methods and attributes among classes without
recreating them
Generalization
Specialization
Extension

5. Implementing Inheritance
https://gist.github.com/2358793

6. protected
https://gist.github.com/2358827

7. based
access the variables and methods of the base class from the derived
class
cannot use for invoking the static method

8. new
hide the methods or variables of the base class
https://gist.github.com/2358859

9. Constructor Inheritance
https://gist.github.com/2358859

10. Method overriding

11. Method Overriding
allows the derived class to override or redefine the methods of the
base class.

12. virtual & override
virtual in base class
override in derived class

13. Question?
https://gist.github.com/2366263

14. Question?
https://gist.github.com/2366821

15. Sealed Classes

16. Sealed
prevent inheritance
https://gist.github.com/2366688

17. Purpose of Sealed Classes

18. Polymorphism

19. Overriding & Overloading

20. Compile-time & Run-time Polymorphism