Friend Constructor is not a type of constructor in C++.
The answer to the question” Which of the following is not a type of constructor?” is option B. That is in C++ we do not have any constructor as a friend constructor. Constructors are mainly of three types:
- Default Constructors
- Copy Constructors
- Parameterized Constructors
So clearly options A, C, and D cannot be the right choice for the given question.
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