java please

Write a method to check if the digits stored in a string are ascendingly or descending ordered. For example, for the following string: He2110 J4av5a 6 W8orld. Digits in this string are: 2, 4, 5, 6, 8. They are ascendingly ordered. The signature of the method is: boolean is DigitsSortedInString(String str, boolean ascend); if input param ascend is true, check digits in string "str are ascendingly ordered, otherwise, check ifstr is descending ordered