Interested to Buy Any Domain ? << Click Here >> for more details...
what is virtual function?
- 26 Answers
- 62521 Views
- Aspire, HP, Infosys, RoboSoft, TCS, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / bhupendra singh
virtual function can be used to override the propertis of a
function.it is part of polymerphism.it is normaly used in inheritance.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / prashant kalmodiya
VIRTUAL FUNCTION ensures that correct function get called
at runtime
| Is This Answer Correct ? | 3 Yes | 4 No |
Answer / sandeep kumar
a virtual function is a member function that you expect to be redefined in derived class when you refer to a derived class object using a pointer or a reference to the base class, you can call a virtual function for the object and executes the derived class version of the function
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / susanta samal
virtual function is used to prevent from more times
calling.That means if a function is declared as virtual
then its def will be diferent in base class & derived class
| Is This Answer Correct ? | 4 Yes | 7 No |
Answer / ori
(this answer is more - a "use of virtual function")
One Important use of virtual function is - Aggregation of
object related to derivation class hirarcy, in to an other
class , by defining a pointer to the base class (of
hirarchy) as one of the member objects of the other class.
| Is This Answer Correct ? | 2 Yes | 5 No |
Answer / varsha vilas kalebag
virtual function is ended with null
virtual function=o
| Is This Answer Correct ? | 26 Yes | 132 No |
suppose A is a base class and B is the derved class. Both have a method foo which is defined as a virtual method in the base class. You have a pointer of classs B and you typecast it to A. Now when you call pointer->foo, which method gets called? The next part of the question is, how does the compiler know which method to call?
What is the difference between class and structure?
Can destructor be overloaded?
What is a unary operator?
What is the real time example of inheritance?
What are oops methods?
What is class and object with example?
Tell us about yourself.
47 Answers ABB, Amazon, Fidelity, Flextronics, Franklin Templeton, HCL, Hexaware, IBM, Impetus, Infosys, Reliance, Rofous, Silgate, Sutherland, TCS, Thomson Reuters, Virtusa, Wipro,
What is virtual Function.
to remove the repeated numbers from the given . i.e.., if the input is 12233 output should of 123
What does and I oop mean?
What is abstract class in oop?
STL 
