Question

What is the output of this program?

    #include <iostream>
    using namespace std;
    class BaseClass 
    {
        int x;
        public:
        void setx(int n) 
        {
            x = n;
        }
        void showx() 
        {
            cout << x ;
        }
    };
    class DerivedClass : private BaseClass
    {
        int y;
        public:
        void setxy(int n, int m)
        {
            setx(n);      
            y = m;
        }
        void showxy() 
        {
            showx();       
            cout << y << '\n';
        }
    };
    int main()
    {
        DerivedClass ob;
        ob.setxy(10, 20);
        ob.showxy();
        return 0;
    }

a.

10

b.

20

c.

1020

d.

None of the mentioned

Posted under Object Oriented Programming Using C++

Answer: (c).1020

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