by: Stub |
last post by:
Please answer my questions below - thanks!
1. Why "Derived constructor" is called but "Derived destructor" not in Case
1 since object B is new'ed from Derived class?
2. Why "Derived destructor"...
|
by: qazmlp |
last post by:
When a member function is declared as virtual in the base class, the
derived class versions of it are always treated as virtual.
I am just wondering, why the same concept was not used for the...
|
by: heted7 |
last post by:
Hi,
Most of the books on C++ say something like this: "A virtual destructor
should be defined if the class contains at least one virtual member
function."
My question is: why is it only for...
|
by: WittyGuy |
last post by:
Hi,
I wonder the necessity of constructor and destructor in a Abstract
Class? Is it really needed?
?
Wg
http://www.gotw.ca/resources/clcm.htm for info about ]
|
by: Tony Johansson |
last post by:
Hello Experts!!
Assume I have a base class called animal. I want this class to be abstract
so I make the destructor pure virtual by having this statement.
virtual ~Animal() = 0;
Destructor...
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by: pmizzi |
last post by:
When i compile my program with the -ansi -Wall -pedantic
flags,
i get this warning: `class vechile' has virtual functions
but non-virtual destructor, and the same with my
sub-classes. But when i...
|
by: druberego |
last post by:
I read google and tried to find the solution myself. YES I do know that
you can get undefined references if you:
a) forget to implement the code for a prototype/header file item, or
b) you forget...
|
by: eric |
last post by:
hello
i'm confused by an example in the book "Effective C++ Third Edition"
and would be grateful for some help. here's the code:
class Person {
public:
Person();
virtual ~Person(); // see...
|
by: sam |
last post by:
Hi,
See when i reading a sourcecode of a program,
I read that the constructor is ordinary and after that the programmer
has written virtual destructor for that constructor .
Why we use the...
|
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;"...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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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...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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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...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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