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

Online Test for C++

1. ________ is a default access specifier for members of structures in C++.
   protected
   public
   private
   default

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2. What features make C++ so powerful?
   Easy implementation
   Code reusability
   Easy memory management
   All the above

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3. 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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4. Which of the following operators can not be overloaded in C+ +?
   *
   ==
   +=
   ::

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5. The parameter list in function overloading must differ by?
   Number of functions
   Function Size
   Function Name
   Number of argument

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

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7. If class A inherits from class B, then B is called _______ of A. A is called ________ of B.
   Super class, Sub class
   Subclass, Super class
   Abstract class, Base Class
   Child class, Sub Class

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8. 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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9. Local Variables can be access ?
   Code block enclosed in braces { }.
   Code block enclosed in bracket ().
   Code block enclosed in square bracket [].
   None of the above

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10. 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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