What does polymorphism in OOPs mean? - CPP Quiz

CPP - Quiz(MCQ)

What does polymorphism in OOPs mean?

A)

Concept of hiding data

B)

Concept of wrapping things into a single unit

C)

Concept of allowing overiding of functions

D)

Concept of keeping things in differnt modules/files

Correct Answer : Concept of allowing overiding of functions

Explanation :

* In OOPs, Polymorphism is the concept of allowing a user to override functions either by changing the types or number of parameters passed.

* Polymorphism is a feature of object-oriented programming languages that allows a specific routine to use variables of different types at different times

* Polymorphism is the ability of a programming language to present the same interface for several different underlying data types

Recently Updated in CPP Questions

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

A)

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

B)

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

C)

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

D)

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?

A)

argv[0]

B)

argv[1]

C)

argv[2]

D)

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?

A)

List of command line arguments

B)

Stack of command line arguments

C)

Number of command line arguments

D)

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.

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