Please finish the following tasks:

i) Create an Integer array called INTArray with the size of 10;

ii) Use For-loop and the method in Random Class to initialize INTArray, all values should be set in the range of 9- 30.

iii) Create a static method called sort, which is able to sort the elements in the array within a decremental order.

iv) Create a main method to test the correction of the above tasks.