Top Answers

1. Why can't variables be declared in a switch statement?
   140 votes
2. Do you use NULL or 0 (zero) for pointers in C++?
   126 votes
3. Why cast unused return values to void?
   89 votes
4. When should you not use virtual destructors?
   72 votes
5. Can I write C++ code without headers (repetitive function declarations)?
   65 votes