Which of the following is/are valid C++ identifiers?
A) department_9
B) aVeryLongVariableName
C) last-name
D) All of the above.
E) Both A and B, but not C.

Question

Quizplus · Accepted Answer

In C++, valid identifiers must start with a letter (uppercase or lowercase) or an underscore, followed by letters, digits, or underscores. "department_9" and "aVeryLongVariableName" meet these criteria, while "last-name" does not because it contains a hyphen, which is not allowed.

Which of the Following Is/are Valid C++ Identifiers