What is the difference between abstract class and
Interface? Give an example how will u write an abstract
class using .NET Framework
Answers were Sorted based on User's Feedback
Answer / susant
difference between an interface and abstract class?
1.In Interface all methods must be abstract,
2.In the abstract class some methods can be concrete.
3.In the interface no accessibility modifiers are allowed,
which is ok in abstract classes.
4.In interface all the members are by-default public
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / brahmareddy
1.In Interface all methods must be abstract,
2.In the abstract class some methods can be concrete
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / ravi
1. you can inherit a abstract class but only one
but you can implement more than one interface.
2. you can't initiate a n instance of abstract class
3. there may be concrete method in abstract class but all
the method in interface is virtual only , no mrthod
definition can be given in interface.
| Is This Answer Correct ? | 4 Yes | 3 No |
Answer / santosh
when we declare class with abstract then the class
cannot cannot be extended.
| Is This Answer Correct ? | 2 Yes | 10 No |
difference between data reader and dataset
how many types of controls are there in windows and web application?
what is inheritancy where u required ?
Which tool you will use to deploy a windows service
What should one do to make class serializable?
What exactly is being serialized when you perform serialization? scope in C# ?
Explain .net mobile events? : Microsoft dot net mobile
Why am I getting an invalidoperationexception when I serialize an arraylist?
What is .net transaction?
Can you explain update progress control?
How Web service create Proxy Using WSDL?
Explain .net mobile input controls? : Microsoft dot net mobile