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by: Vishal Gandhi |
last post by:
Hi ,
Please help me by advising an real life scenario where Abstract Classes
should be used over Interfaces or vice versa . Whats the basic difference
between Abstract Class and interface other then instantiation ?
Many Thanks
Vishal Gandhi
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by: Daedalus.OS |
last post by:
Ok first I'm pretty new to OOP, so my question may sound stupid to some of
you. If the only answer you can provide is "get a book about OOP" then don't
loose your time and mine cause it's already ordered. I'm just too curious
about this one to wait for the book.
I would like to know is if it's good php programming practice to use
abstract...
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by: Dave Veeneman |
last post by:
Is is legal to declare abstract members in non-abstract classes? How about
non-abstract members in abstract classes?
I am writing a base class with three derived classes. The base class will
define the behavior for most, but not all of its members. The derived
classes will define the behavior for the remaining members (the undefined...
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by: Manuel |
last post by:
Hi!
If I've a vector filled with abstract classes, can I push in it the
derived classes too? Even if derived classes have new methods?
I've done some experiments, and it seem I can push the derived classes,
but I can use them only calling the methods declared in abstract class
(the new methods declared only in derived classes return an...
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by: Eric |
last post by:
I was wondering what people thought about the information found at:
http://g.oswego.edu/dl/mood/C++AsIDL.html
Specifically, I am interested in the following recommendation:
----
Since interface classes cannot be directly instantiated, yet serve as
virtual base classes for implementations, the constructors should take
no arguments and...
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by: Jess |
last post by:
Hello,
If I have a class that has virtual but non-pure declarations, like
class A{
virtual void f();
};
Then is A still an abstract class? Do I have to have "virtual void
f() = 0;" instead? I think declaring a function as "=0" is the same
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by: Miguel Guedes |
last post by:
Hello,
I recently read an interview with Bjarne Stroustrup in which he says
that pure abstract classes should *not* contain any data. However, I
have found that at times situations are when it would be useful to have
/some/ data defined in such an abstract class for reasons of forming a
common block of data existing in or used by all...
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by: =?Utf-8?B?UmljaA==?= |
last post by:
Greetings,
I am actually a VB.Net guy, but I have worked somewhat with C++ and C#. I
just want to ask about the relationship between Abstract Classes and
Interfaces.
My first question is if C# even has Iinterfaces. I took some Java
programming classes and Interfaces are a main staple of Java. And in VB.Net
I use interfaces for setting...
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by: Swathika |
last post by:
Hi,
I have put some of valuable experiences of J2EE design concepts in my
blog for the benefit of J2EE lovers.
http://strutsjavainterviewquestions.blogspot.com/2008/07/design-concept-secrets-of-contains.html
Regards,
Swathika.
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
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