Thanks to all... On Tue, Mar 9, 2010 at 1:32 PM, Processor Devil <[email protected]>wrote:
> Easy answer... With interfaces you can create a code using class
> functionality before class is really made...
>
> Good example. You are working in a team on some client/server application.
> Your goal is to create a communication between opened sockets using a new
> Connection class. But... this class is not coded yet.
> For this class, interface IConnection was created which basically tells you
> what public methods and properties are inside.
> This way you can have methods, which calls and uses functionality of class
> that is still in development.
>
> Example of usage:
> interface IConnection
> {
> public void SendData(string data);
> public bool Result
> {
> get;
> }
> }
>
>
> class MyClass
> {
> public MyClass(IConnection myConnection)
> {
> this.myConnection = myConnection;
> }
> public bool SendData(string data)
> {
> this.myConnection.Send(data);
> return this.myConnection.Result;
> }
> IConnection myConnection;
> }
>
> Using interfaces means you can implement classes that don't even exist,
> because you know, how the logic will work.
> You don't need to wait and no one needs to wait for your work after some
> Connection class is really created.
>
> 2010/3/8 crazy <[email protected]>
>
> sensible points and thanks ...
>> all the things u have described about interface is having Abstract class
>> right?
>> then why we ned interface? we can use abstract class always [?]
>>
>> On Mon, Mar 8, 2010 at 10:01 AM, Raghupathi Kamuni <
>> [email protected]> wrote:
>>
>>> Interfaces are used to define the peripheral abilities of a class.
>>> An abstract class defines the core identity of a class and there it is
>>> used for objects of the same type.
>>>
>>> An interface cannot have access modifiers for the functions and
>>> properties everything is assumed as public.
>>> An abstract class can contain access modifiers for the functions and
>>> properties.
>>>
>>> An interface cannot provide any code, just the signature.
>>> An abstract class can provide complete, default code and/or just the
>>> details that have to be overridden.
>>>
>>>
>>> On Mon, Mar 8, 2010 at 12:34 AM, crazy <[email protected]> wrote:
>>>
>>>> Hi,
>>>> I gone through a lots of articles regarding Abstarct class and
>>>> Interfaces..
>>>> What is the extra thing in interface but not in Abstract? Not in the C#
>>>> conepts whole in OOPS.
>>>> why we cant use abstarct classes instead of Interfaces ?
>>>> in C# , if we need to implement multiple inheritance,we can use it
>>>> anything extra??
>>>>
>>>> thanks
>>>> --
>>>> "People who never make mistakes, never do anything."
>>>>
>>>> dEv
>>>>
>>>
>>>
>>
>>
>> --
>> "People who never make mistakes, never do anything."
>>
>> dEv
>>
>
>
--
"People who never make mistakes, never do anything."
dEv
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