Difference between abstract class and interface
Answer Posted / venkataramana
A method with method body is called "Concrete method or
Complete method".
A method without method body is called as "Abstract Method".
Abstract Class :
----------------
1.An abstract class is a class which contains 0 or more
abstract methods.
2.An abstract class can have ,
* Instance Variables
* Complete Methods
* Abstract Methods
3.When an abstract class is written, it is the duty of the
programmer to provide sub classes to it.
4.We cannot create an object to abstract class.
5.But we can create a reference to the abstract class.
6.we cannot declare a class as both abstract and final.
Interfaces:
-----------
1.An interface is a specification of method prototypes.
2.An interface contains only "Abstract Methods".
3.An interface contains Constants
4.All the methods of an interface can be "abstract and
final" by default.
5.We cannot create an object to abstract class.
6.But we can create a reference to the abstract class.
7.An interface is written , when the programmer wants to
leave the implementation to the thid party vendors.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What are bindings?
What is cookie less session?
how to create applications by using Visual Studio 2012?
Session State and can i store desirialized object in state server, if yes how and if not why.
Explain the purpose of cache? : Dot net architecture
How do you handle this COM components developed in other programming languages in .NET?
What re interop services?
What is .net mobile utility controls. : Microsoft dot net mobile
What is Com Callable wrapper?when it will created?
How do I stop a thread?
Explain the difference between primary & secondary storage device? : Dot net architecture
Define a managed code? : Dot net architecture
Describe the Managed Execution Process in .NET?
What is textbox control of .net mobile? : Microsoft dot net mobile
What do you know about machine.config file ?