How can one implement the run-time Polymorphism in the C++ programming language?

CPP - Quiz(MCQ)

By using the Template

By using only the virtual functions

By using the concepts of inheritance

By using both the virtual functions and inheritance

Correct Answer : By using both the virtual functions and inheritance

Explanation : In C++, one can implement the run-time Polymorphism by using the virtual functions and inheritance where the object decides which function to call.

Recently Updated in CPP Questions

What is the signature of math in function using command line arguments?

int main(int argc, char **argv);

int main(int argc, char const **argv);

int main(int argc, char const *argv[]);

All of the above

Correct Answer : All of the above

Explanation : Any of the above signature can be used while using command line arguments in C++ programs

Which of the following gives the name of the program if the second parameter to the main fucntion is char **argv?

argv[0]

argv[1]

argv[2]

argv[3]

Correct Answer : argv[0]

Explanation : The first string in the list of command line arguments represents the name of the program which can be accessed by using argv[0].

What does the first parameter of the main function represent?

List of command line arguments

Stack of command line arguments

Number of command line arguments

Dictionary of command line arguments

Correct Answer : Number of command line arguments

Explanation : The first argument of the main() function represents the number of command line arguments that are passed.

New Technologies MCQ's

Machine Learning

Artificial Intelligence