object of abstract class

Hi

Why object of abstract class can’t be instantiate?

Regards
Karan Gupta
KaranGuptaAsked:
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EyalCommented:
this is how you do object oriented programming :)

http://en.wikipedia.org/wiki/Abstract_type
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sachinpatil10dCommented:
Use of abstract class

Abstract class is specifically designed to be only derived.
Abstract class has pure virtual functions/methods that must be overriden by the class inherits abstract class.
Instantiating a class that has pure virtual functions is pointless.
Abstract class enforces certain hierarchies for all the subclasses.
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Kiran SonawaneProject LeadCommented:
According to OOPs, You can not instantiate an abstract class or an interface - you can instantiate one of their subclasses/implementers.


interface I1
{
   void M();
}
abstract class AB
{
   public abstract void M();
}

public class subClass : AB, I1
{
  .....
}

new subClass(); //OK
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