Which of the following is a user-defined header file extension used in C++?

Options

  • A. .hg
  • B. .cpp
  • C. .h
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. .h

Detailed Explanation

Correct Answer: Option C — .h

Explanation: The .h extension is commonly used for user-defined C++ header files. Header files typically contain declarations, function prototypes, and class definitions. The .hpp extension is also commonly used.