Which of the following is a common declaration found in a C++ header file?

Options

  • A. A function prototype
  • B. A class declaration
  • C. A constant declaration
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

D. More than one of the above

Detailed Explanation

Correct Answer: Option D — More than one of the above

Explanation: Header files can contain function prototypes, class declarations, and constant declarations. These declarations allow other source files to use the declared entities.