Online Test

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Operator overloading is


What is the size of wchar_t in C++?


A pointer to the base class can hold address of 


How many constructors can a class have? 


Use of virtual functions implies 


What is the output of this program?

#include <stdio.h>
    #include <math.h>
    int main ()
    {
        printf ("The value of -3.1416 is %lf\n", fabs (-3.1416));
        return 0;
    }

What does a escape code represent?


What does the checked iterator allow you to find?


How does the limits.h header file can be represented in C++?


What is the output of this program?

  #include <stdio.h>    
    #include <stdlib.h>   
    int main ()
    {
        int n, m;
        n = abs(23);
        m = abs(-11);
        printf ("%d", n);
        printf ("%d", m);
        return 0;
    }

If we create a file by ‘ifstream’, then the default mode of the file is


What does the cerr represent?


this pointer 


What we can’t do on a void pointer?


Which classes are called as mixin?

 

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