If a constructor 'Date' is declared explicitly and has to be defined outside the class, which of the Q following is correct?

1. ADate::Date(int dd) {/ *... * /}
2. Bexplicit Date:: Date(int dd) {/ *... * /}
3. CSuch a constructor cannot be defined
4. DConstructor always has to be defined inside the class

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: A. Date::Date(int dd) {/ *... * /}

Explanation

The keyword explicit appears only on the declaration inside the class; the out-of-class definition is just Date::Date(int dd) { … }.