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

#include <iostream>
using namespace std;
class sample
{
    private:
    int a, b;
    public:
    void test()
    {
        a = 100;
        b = 200;
    }
    friend int compute(sample e1);
};
int compute(sample e1)
{
    return int(e1.a + e1.b) - 5;
}
int main()
{
    sample e;
    e.test();
    cout  << compute(e);
    return 0;
}

What is a class in C++?

A. A collection of functions

B. A reserved keyword in C++

C. A blueprint for creating objects

D. A way to declare arrays of data

Which keyword is used to create an object of a class in C++?

A. new

B. create

C. object

D. None of the above

What is an object in C++?

A. A reserved keyword in C++

B. An instance of a class

C. A way to declare arrays of data

D. None of the above

What is the purpose of a constructor in C++?

A. To hide the implementation details of a class

B. To create multiple instances of a class

C. To initialize the object's data members

D. To destroy the object