Online Test

:

 

What is the output of this program?

#include <iostream.h>
    using namespace std;
    int add(int a, int b);
    int main()
    {
        int i = 5, j = 6;
        cout << add(i, j) << endl;
        return 0;
    }
    int add(int a, int b )
    {
        int sum = a + b;
        a = 7;
        return a + b;
    }

 


What is the output of this program?

    #include <iostream>
    using namespace std;
    long factorial (long a)
    {
        if (a > 1)
            return (a * factorial (a + 1));
        else
            return (1);
    }
    int main ()
    {
        long num = 3;
        cout << num << "! = " << factorial ( num );
        return 0;
    }

To what kind of elements does non-modifying sequence algorithm can be
applied?


Which operators are part of RTTI?


What is the output of this program?
 #include <iostream.h>
    using namespace std;
    void Values(int n1, int n2 = 10)
    {
        using namespace std;
        cout << "1st value: " << n1;
        cout << "2nd value: " << n2;
    }
    int main()
    {
        Values(1);
        Values(3, 4);
        return 0;
    }


What is the output of this program?

   #include <iostream.h>
    using namespace std;
    void print(int i)
    {
        cout << i;
    }
    void print(double  f)
    {
        cout << f;
    }
    int main(void)
    {
        print(5);
        print(500.263);
        return 0;
    }

What punctuation is used to signal the beginning and end of code blocks?


What is the output of this program?

     #include <iostream.h>
    using namespace std;
    #define MIN(a,b) (((a)<(b)) ? a : b)
    int main ()
    {
        float i, j;
        i = 100.1;
        j = 100.01;
        cout <<"The minimum is " << MIN(i, j) << endl;
        return 0;
    }

What is the output of this program?

    #include <iostream>
    using namespace std;
    int main()
    {
        double a = 21.09399;
        float b = 10.20;
        int c ;
        c = (int) a;
        cout << c ;
        c = (int) b;
        cout << c ;
        return 0;
    }

 What is the output of this program?

   #include <iostream.h>
    using namespace std;
    #define MAX 10
    int main()
    {
        int num;
        num = ++MAX;
        cout << num;
        return 0;
    }

Given a class named Book, which of the following is not a valid constructor?


 Where does the exceptions are used?


 What is the output of this program?

#include <iostream.h>
    using namespace std;
    void mani()
    void mani()
    {
        cout<<"hai";
    }
    int main()
    {
        mani();
        return 0;
    }

What is the output of this program?

 #include <iostream.h>
    using namespace std;
    int func(int m = 10, int n)
    {
        int c;
        c = m + n;
        return c;
    }
    int main()
    {
        cout << func(5);
        return 0;
    }

What is the output of this program?

   #include <iostream>
    #include <vector>
    using namespace std;
    int main():q
    {
        vector<int> v;
        v.assign( 10, 42 );
        for (int i = 0; i < v.size(); i++) 
        {
            cout << v[i] << " ";
        }
    }

Which of the following is false?


What are the advantages of passing arguments by reference?


The difference between x and ‘x’ is


What do we need to do to pointer for overloading the subscript operator?


Which is used for manually writing lookup table?


What will be the output of the following program?

#include<iostream.h> 
void MyFunction(int a, int b = 40)
{
    cout<< " a = "<< a << " b = " << b << endl;
}
int main()
{
    MyFunction(20, 30);
    return 0; 
}

How many specifiers are present in access specifiers in class?


What are mandatory parts in function declaration?


What will happen while using pass by reference


What is the output of this program?

    #include <iostream.h>
    #include <deque.h> 
    using namespace std;
    int main ()
    {
        unsigned int i;
        deque<int> mydeque;
        mydeque.push_back ( 100 );
        mydeque.push_back ( 200 );
        mydeque.push_back ( 300 );
        for (deque<int> :: iterator it = mydeque.begin(); it != mydeque.end(); ++it)
            mydeque.clear();
        cout << ' ' << *it;
    }
 

About Us

TechEpi.com is an online learning website.We cover the latest tech news,online tutorials,blog,online test for Aptitude,C,Java,PHP to improve your knowledge.

Newsletter


Follow TechEpi on