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Categories >> Software >> Programming Languages >> C++ >> OOPS
 
 


 

 
 STL interview questions  STL Interview Questions (90)
 OOPS interview questions  OOPS Interview Questions (554)
 C++ General interview questions  C++ General Interview Questions (458)
Question
What is virtual Function.
 Question Submitted By :: Deepankarit
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is virtual Function.
Answer
# 1
Virtual function is a function that uses keyword "virtual"
with the datatype of the function. When the base class as
well as the derived class contains a function both having
the same name, just to resolve ambiguity and copy of the
same data again and again we use the keyword "virtual"
preeceeding it. It is used to achieve poymorphism.
 
Is This Answer Correct ?    5 Yes 0 No
Poonam
 

 
 
 
Other OOPS Interview Questions
 
  Question Asked @ Answers
 
why in java first invoke public static void main(String args[]) method????Why not public static void method1(String args[])??   1
In multilevel inheritance constructors will be executed from the .... class to ... class TCS 2
How Do you Code Composition and Aggregation in C++ ? IBM 3
What is operator overloading? Give Example CTS 11
create a c++ program that will accepts 9 inputs using 3 by 3 array.   1
Program to check whether a word is in all capital letters   1
what is code for call by value and call by reference?   1
What is a friend function & its advantage? MIT 1
what is oppes   2
what is the main difference between sizeof() operator in c and c++   3
Is following functions are said to be overloaded? int add(int a,int b) char *add(int a,int b)   4
What are the advantages of inheritance?   25
 
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