C++ Programming MCQ Test 1 : Question 7

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

h

cpp

hg

hf

sec

Please first select an option.

By convention, the extension used for user-defined header files in C++ is ".h". Therefore, option a) "h" is the correct answer as it represents the standard and commonly used extension for C++ header files.

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