Write a program that calculates the average of N integers. The program should prompt the user to enter the value for N and then afterward must enter all N numbers. Use anarray to save the N integers. If the user enters a nonpositive value for N, then anexception should be thrown (and caught) with the message "N must be positive." If thereis any exception as the user is entering the N numbers, an error message should bedisplayed, and the user prompted to enter the number again.