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Explain the difference between Interface and Abstract Class with examples.

Revati S Misra23114-Apr-2023

Explain the difference between Interface and Abstract Class with examples.

oopsc# oops abstract class interface 
Updated on 19-Apr-2023
Revati S Misra

Revati S Misra

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Aryan Kumar

Aryan Kumar

19-Apr-2023

In C#, both interfaces and abstract classes are used to define common behaviors that can be implemented by different classes. However, there are some key differences between the two.

An interface is a contract that specifies a set of methods, properties, events, and indexers that a class must implement. It does not provide any implementation details, only the signatures of the members. An interface can be implemented by any class, regardless of its inheritance hierarchy.

On the other hand, an abstract class is a class that cannot be instantiated directly, but is meant to be subclassed. It can contain both abstract and non-abstract members, and can provide partial implementation details for its subclasses. A subclass must implement any abstract members that it inherits from its abstract base class.

the main differences between interfaces and abstract classes are:

  • Interfaces cannot contain any implementation details, while abstract classes can contain both abstract and non-abstract members.
  • A class can implement multiple interfaces, but can only inherit from one abstract class.
  • All members of an interface are public, while an abstract class can have members with different access modifiers.

 

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