What is the output of this program?#include <iostream>

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What is the output of this program?

#include <iostream>
    using namespace std;
    class N
    {
        public:
        N(int k = 0){ _k = k;}
        void fun()
        {
            cout << "Program Executed..."<        }
        private:
        int _k;
    };
    int main()
    {
        N *ptr = 0;
        ptr -> fun();
    }

1. Program Executed...
2. Compilation Error
3. Runtime Error
4. Garbage value
5. None of these

Correct Option: A

In this program, We passes the value to the class and printing it.