Explain virtual base classes, C/C++ Programming

Assignment Help:

Virtual Base Classes

This ambiguity can be resolved if the class derived have only one copy of the class base. This can be done by making the base class a virtual class. This keyword makes the two classes share a one copy of their base class . It can be done as follows :

                class base

                 {

                                :

                                :

                 };

class  Aclass : virtual public base

                 {

                                :

                                :

                 };

 

                class  Bclass : virtual public base

                 {

                                :

                                :

                 };

 

                class  derived : public Aclass, public Bclass

                 {

                                :

                                :

                 };

This will resolve the ambiguity included.

 


Related Discussions:- Explain virtual base classes

Define a structure in c++, Define a structure in C++: Write a program ...

Define a structure in C++: Write a program a structure in c++ program. void main() {                 struct player                 {                 char name[2

Programming Exercise 3, I have an exercise with 2 problems. One that is par...

I have an exercise with 2 problems. One that is partially completed except with read problems with memory overwrite, and the other problem. I have enclosed the instructions documen

Usb photobackup, Project Description: Prepare software that will work with ...

Project Description: Prepare software that will work with our USB hardware that easily lets you backup all the pictures in your computer into the USB stick in one single step. Once

Area under curve, Write a program to find the area under the curve y = f(x)...

Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b.

Friend funtion.., Is friend function can be harmfull to make a secure progr...

Is friend function can be harmfull to make a secure program/sofware?

Implement a algorithm to verify if the link list , Implement a Algorithm to...

Implement a Algorithm to verify if the link list is in Ascending order? A: template bool linklist::isAscending() const{ nodeptr ptr = head; while (ptr->_next)

In p = new fred(), Q: In p = new Fred(), does the Fred memory "leak" if  Fr...

Q: In p = new Fred(), does the Fred memory "leak" if  Fred constructor throws an exception? A: No.         If an exception take place during the Fred constructor of p = new F

Struct items, how to make a program this struct items/product

how to make a program this struct items/product

Assignment, (RationalNumber Class) A rational number is a number that can b...

(RationalNumber Class) A rational number is a number that can be represented as the quotient of two integers. For example, 1/3, 5/7, 7/2, and so forth are rational numbers (By 2/1

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd