OOPS

0. What is Object Oriented Programming ?

1. Whats a Class ?

2. Whats a Object ?

3. Whats the relation between Classes and Objects ?

4. What are different properties provided by Object-oriented systems ?(Twist :- Can you explain different properties of Object Oriented Systems?)(Twist :- Whats difference between Association , Aggregation and Inheritance relationships?)

5. How can we acheive inheritance in VB.NET ?

6. What are abstract classes ?

7. Whats a Interface ?

8. What is difference between abstract classes and interfaces?

9. What is a delegate ?

10. What are events ?

11. Do events have return type ?

12. Can events have access modifiers ?

13. Can we have shared events ?

14. What is shadowing ?

15. Whats difference between Shadowing and Overriding ?

16. Whats difference between delegate and events?

17. If we inherit a class do the private variables also get inherited ?

18. What are different accessibility levels defined in .NET ?

19. Can you prevent a class from overriding ?