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: Calvin Lai |
last post by:
Hi all,
I have a simple question. If I have a ClassA as base class, and ClassB
derive from it. There is a virtual function foo() in ClassA, and in Class B,
I defined a function called foo() as...
|
by: Ele |
last post by:
Is it correct to say that Whenever a class has a virtual member function,
define its destructor as "virtual"?
Can a destructor as "pure virtual"? When is it needed to do so?
For an interface,...
|
by: ctick |
last post by:
A reason for declaring a "virtual destructor" for a Base class is to make
sure the destructor of Derived class will be invoked when a pointer of Base
type is used to delete an object of Derived.
...
|
by: santosh |
last post by:
Hello,
I was going through the Marshal Cline's C++ FAQ-Lite.
I have a doubt regarding section 33.10.
Here he is declaring a pure virtual destructor in the base class.
And again defining...
|
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: 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: 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: 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;"...
|
by: Shraddha |
last post by:
What is the use of "PURE vitual distructors"?
And why we can not have vitual constructors?
|
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: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
|
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
|
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...
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
|
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...
|
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...
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