5. What is the output of this code? Explain your answer. [ < < 2 min]...

 

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5. What is the output of this code? Explain your answer. [ < < 2 min] [1pt] 1. class box { 2. public: 3. 4. box() {size = 4; } friend size_t getSize(box in); 5. private: 6. 7. }; 8. size_t size; 9. size_t getSize(box input) { 10. 11. }; 12. return this -> size; 13. int main(int argc, const char * argv[]) { 14. 15. 16. 17. } box obj; std::cout < < "The size is: < < getSize(obj); return 0; 5. What is the output of this code? Explain your answer. [ < < 2 min] [1pt] 1. class box { 2. public: 3. 4. box() {size = 4; } friend size_t getSize(box in); 5. private: 6. 7. }; 8. size_t size; 9. size_t getSize(box input) { 10. 11. }; 12. return this -> size; 13. int main(int argc, const char * argv[]) { 14. 15. 16. 17. } box obj; std::cout < < "The size is: < < getSize(obj); return 0;