Comparing Abstract class with Interface in c#

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Why we compare abstract class with interface? Abstract class supposed to be compare with Sealed class not with Interface. Please guys correct me if I m wrong?

Many thanks in advance !!!

Posted 28-Oct-14 2:25am

Bhim B Thapa

Updated 28-Oct-14 5:00am

v4

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3 solutions

Solution 1

Actually, comparing Abstract class with Interface makes more sense than comparing it with a Sealed one.
Abstract class and an Interface could serve similar purposes, while Sealed class is somewhat antithetic to bot Abstract class and Interface.

Posted 28-Oct-14 2:29am

CPallini

Updated 28-Oct-14 2:33am

v2

Solution 3

plase go throw
http://www.dotnetbull.com/2011/11/difference-between-abstract-class-and.html
this link

Posted 28-Oct-14 4:44am

Dj@y

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BillWoodruff · Accepted Answer · 2014-10-28T02:36:00

In a sense both 'Abstract Classes and Interfaces provide a template for Classes that inherit from them.

I don't see why you would compare an Abstract Class with a Sealed Class: you cannot inherit from a Sealed Class, and the major use of an Abstract Class is to specify and-or provide functionality for inheriting Classes.