In C++, a legal identifiers may contain these kinds of characters _______________, ______________, ______________
Answer: Letters, digits, underscoreExplanation: Some implementations allow a very few other characters such as $.
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Object Oriented Programming
- Identifiers should at least give a hint to the human reader of the __ of the identifier in the context of the problem being solved.
- In C++, a variable that has been defined but not initialized may not be use as an ______. (l-value or r-value).
- The C++ very nearly contains the ______ programming language as proper subset.
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