What is virtual class and friend class?
Answers were Sorted based on User's Feedback
Answer / kirti joshi
friend class is used to share private data between 2 or
more classes the function declared as freind are not called
using any object it is called like normal .the arguments to
such functions is normally object of a class.
virtual class is used for run time polymorphism when object
is linked to procedure call at run time
| Is This Answer Correct ? | 53 Yes | 7 No |
Answer / vaibhav panchal
A virtual class is an inner class that can be overridden by
derived classes of the outer class.
eg.
class Base
{
public:
int value
};
class child1 : public Base { };
class child2 : public Base { };
class grandchild : virtual public child1, virtual public
child2
{
public:
grandchild() { value };
};
| Is This Answer Correct ? | 38 Yes | 4 No |
Answer / vaibhav panchal
A virtual class is an inner class that can be overridden by
derived classes of the outer class.
| Is This Answer Correct ? | 27 Yes | 7 No |
Answer / guest
frien class are used when two or more classes are designed
to work together and virtual base class aids in multiple
inheritance
| Is This Answer Correct ? | 33 Yes | 17 No |
Answer / govind
A virtual class is an inner class that can be overridden by
derived classes of the outer class.buti in this virtual
class cant access the privat member data and funtion .
A friend class is can access the privat member data and
function .
| Is This Answer Correct ? | 14 Yes | 3 No |
What is difference between class and object with example?
The type of variable a pointer points to must be the part of pointer's definition so that:
What is multiple inheritance? Give Example
Can bst contain duplicates?
What is the example of polymorphism?
Do you know about multiple inheritance?
what is the definition of incapsulation
In c++ there is only virtual destructors, no constructors. Why?
Write A Program using Single and Multiple Inheritance.
How to Increment the value of the empid E001 for each and every employee by using the programe?
4. What do you mean by a prototype? Define analysis prototype
What is a function in oop?