write a sort program below the will use a try-catch block to produce an error if the user enters in a negative number. Program should have a function to double the number that hte user enters.[int doubleNum(int)] program should produce out put like below:

Enter a positive interger and i will doulbe it!

-4

ERROR: Your number is not a positive number.

or

Enter a positive interger and i will double it!

3

Your number doubled is 6