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Contrast the use of an abstract base class against an interface?

Question Posted / .netguru

Answers were Sorted based on User's Feedback



Contrast the use of an abstract base class against an interface?..

Answer / kavita sharma

Abstract classes can provide implementations for methods and
properties. Interfaces only provide required declarations.

Is This Answer Correct ?    22 Yes 1 No

Contrast the use of an abstract base class against an interface?..

Answer / anbazhagan vv

A class can inherit only one absatract class, whereas the a
class can inherit more than one interface.

An abstract class can have abstract as well as non abstract
methods whereas the interface can have only the abstract
methods.

Is This Answer Correct ?    13 Yes 4 No

Contrast the use of an abstract base class against an interface?..

Answer / abhishek

Basically both Interfaces and Abstract class sit on top. An
abstract class can have defintion and body. It's also used
when we need to implement polymorphism (Contain at least one
virtual method). However an interface contains only
declaration.

An Abstract inherit a class, an abstract class and implement
an interface. But interface can only implement another
interface.

Is This Answer Correct ?    5 Yes 1 No

Contrast the use of an abstract base class against an interface?..

Answer / rajeev kumar singh

An abstract class can have abstract as well as non abstract
methods whereas the interface can have only the abstract
methods.
An Abstract inherit a class, an abstract class and implement
an interface. But interface can only implement another
interface.

Is This Answer Correct ?    5 Yes 4 No

Contrast the use of an abstract base class against an interface?..

Answer / vineet unnikrishnan

interface does not have theimplementation of its members
like functions,properties etc whereas abstract class can
have implementation of its members.

Is This Answer Correct ?    2 Yes 2 No

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