C++ Programming · all questions

Functions and Procedures in C++
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Q141

What will be the output of the following C++ code?

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

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Q142

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
void square (int *x)
{
    *x = (*x + 1) * (*x);
}
int main ( )
{
	int num = 10;
        square(&num);
        cout << num; 
        return 0;
    }
a) 100

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Q143

What will initialize the list of arguments in stdarg.h header file?

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Q144

What is the meaning of the following declaration?

int(*ptr[5])();

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Q145

How many types of macros are there in c++?

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Q146

Which is the correct syntax of declaring a namespace?

Options are not available for this question.

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Q147

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
void fun(int x, int y)
{
    x = 20;
    y = 10;
}
int main()
{
    int x = 10;
    fun(x, x);
    cout << x;
    return 0;
}

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Q148

How many can max number of arguments present in function in the c99 compiler?

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Q149

What is the default calling convention for a compiler in c++?

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Q150

which of the following is used to implement the c++ interfaces?

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Q151

To where does the program control transfers when the exception is arisen?

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Q152

How many ways of passing a parameter are there in c++?

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Q153

Which is used to keep the call by reference value as intact?

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Q154

Overloaded functions are . . . . . . . .

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Q155

What we can't place followed by the non-default arguments?

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Q156

What are the advantages of passing arguments by reference?

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Q157

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
namespace space
{
    int x = 10;
}
namespace space
{
    int y = 15;
}
int main(int argc, char * argv[])
{
    space::x = space::y =5;
    cout << space::x << space::y;
}

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Q158

Which symbol is used to declare the preprocessor directives?

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Q159

If the user did not supply the value, what value will it take?

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Q160

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
void func(int a, bool flag = true)
{
    if (flag == true ) 
    {
        cout << "Flag is true. a = " << a;
    }
    else 
    {
        cout << "Flag is false. a = " << a;
    }
}
int main()
{
    func(200, false);
    return 0;
}

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