What is the difference between abstract class and Interface? Give an exam

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Question

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

Question Submitted By :: Guest

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

Answer
# 1

when we declare class with abstract then the class
cannot cannot be extended.

Is This Answer Correct ?

2 Yes

5 No

Santosh

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

Answer
# 2

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

1 No

Ravi

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

Answer
# 3

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 ?

4 Yes

0 No

Susant
[Infitech Global]

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

Answer
# 4

1.In Interface all methods must be abstract, 
2.In the abstract class some methods can be concrete

Is This Answer Correct ?

0 Yes

0 No

Brahmareddy

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