C++ | Constructors | Question 10

#include <iostream>
using namespace std;

class Test
      Test() { cout << "Hello from Test() "; }
} a;

int main()
    cout << "Main Started ";
    return 0;

(A) Main Started
(B) Main Started Hello from Test()
(C) Hello from Test() Main Started
(D) Compiler Error: Global objects are not allowed

Answer: (C)

Explanation: Output is

Hello from Test() Main Started

There is a global object ‘a’ which is constructed before the main functions starts, so the constructor for a is called first, then main()’ execution begins.

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