What is lambda expression in C++? - CPP Quiz

CPP - Quiz(MCQ)

What is lambda expression in C++?

A)

A technique of C++ that allows us to write overloaded functions

B)

A technique of C++ that allows us to write inline functions without a name

C)

A technique of C++ that allows us to write functions without parameters

D)

A technique of C++ that allows us to write functions that are called more than once

Correct Answer : A technique of C++ that allows us to write inline functions without a name

Explanation : Lambda expression is a technique available in C++ that helps the programmer to write inline functions that will be used once in a program and so there is no need of providing names top them. Hence they are a type of inline functions without names.

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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