What happens when objects s1 and s2 are added?
string s1 = "Hello";
string s2 = "World";
string s3 = (s1+s2).substr(5);
string s1 = "Hello";
string s2 = "World";
string s3 = (s1+s2).substr(5);A. Error because s1+s2 will result into string and no string has substr() function
B. Segmentation fault as two string cannot be added in C++
C. The statements runs perfectly
D. Run-time error
Answer: Option C
This Question Belongs to C Plus Plus Programming >> Classes And Objects In C Plus Plus
A. A collection of functions
B. A reserved keyword in C++
C. A blueprint for creating objects
D. A way to declare arrays of data
Which keyword is used to create an object of a class in C++?
A. new
B. create
C. object
D. None of the above
A. A reserved keyword in C++
B. An instance of a class
C. A way to declare arrays of data
D. None of the above
What is the purpose of a constructor in C++?
A. To hide the implementation details of a class
B. To create multiple instances of a class
C. To initialize the object's data members
D. To destroy the object
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