Array Statistics

Directions: For this assignment, you will write a program which creates an array of decimal numbers from a user's input, then returns some simple statistics about the array.

The program should first ask the user how long they wish the array to be $($must be a positive integer$).$ If the user enters a non$-$positive integer then the program should display "Not a valid lengthl", then stop. Otherwise, the program should create an array of this length, then prompt the user to enter double values one at a time, filling the array from the start with the user's inputs until the array is full

Once the array is filled the program should print the numbers in the array, followed by the average $($arithmetic mean$)$ of the values, the range of the values, and a statement on whether the array is sorted in increasing order, decreasing order or neither.

The average of the values is found by dividing the sum of the numbers by the amount of numbers in the array $($note: this may cause roundoff errors, which you do not need to worry about for this assignment$)$

The range of the numbers is found by subtracting the smallest number in the array from the largest number in the array.

The array is sorted in increasing order if every number is greater than or equal to the previous number. The array is sorted in decreasing order if every element is less than or equal to the previous number. If neither of these is true then the list is unsorted. If every element on the list is the same, then it is counted as being in increasing order. ALL THE THINGS HAVE TO BE IN JAVA MAIN