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What is the difference between abstract class and
Interface? Give an example how will u write an abstract
class using .NET Framework
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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 |
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