1. PlacementQuestion
2. C++ Interview Questions
3. Online Test for C++

Online Test for C++

1. Which of the following storage classes have global visibility in C++?
   Register
   Static
   Auto
   Extern

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2. The constructor without parameter is called?
   Method Constructor
   Default Constructor
   Operator Constructor
   Function Constructor

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3. C++ actually supports the following two complete dynamic systems?
   One defined by C++ and the other not defined by C
   One defined by C and one specific to C++
   Both are specific to C++
   Both of them are improvements of C

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4. The Object is not declared for which class?
   Parent
   Base
   Abstract
   Derived

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5. Which diagram provides a formal graphic notation for modelling objects, classes and their relationships to one another?
   Object Diagram
   Analysis Diagram
   Instance Diagram
   Class Diagram

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6. Which of the following mode declaration is used in C++ to open a file for input?
   ios :: app
   in :: ios
   ios :: in
   ios :: file

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7. Find Error/Output in follwing code:

                                
#include <iostream>  

using namespace std;  



void square (int *x)  {

    *x = (*x)++ * (*x);  

} 



void square (int *x, int *y) {

    *x = (*x) * --(*y); 

} 



int main ( ) {

    int number = 30;          

    square(&number, &number);           

    cout << number;           

    return 0;  

}
                                

910
920
870
900

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8. When a method in a subclass has the same name and type signatures as a method in the superclass, then the method in the subclass _____ the method in the super class.
   Overloads
   Friendships
   Inherits
   Overrides

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9. Which of the following concepts means adding new concepts to a program as it runs?
   Data hiding
   Dynamic loading
   Dynamic typing
   Dynamic binding

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10. Which of the following operator(s) cannot be overloaded?
    . (Member Access or Dot operator)
    ?: (Ternary or Conditional Operator )
    :: (Scope Resolution Operator)
    All of the above

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