What is the correct syntax of declaring array of pointers of integers of size 10 in C++?

CPP - Quiz(MCQ)

int **arr = new int*[10];

int *arr = new int[10];

int *arr = new int*[10];

int arr = new int[10];

Correct Answer : int **arr = new int*[10];

Explanation : As we have to declare an array of pointers of integers therefore we need double pointer array in which each element is collection pointers to integers. Therefore the correct syntax is int **arr = new int*[10];

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