Arrays. asList()

Convert an array to a List object , This method will return a ArrayList Object of type , This ArrayList Class is not java.util.ArrayList class , It is Arrays Static inner class of class ！ Use this object to add, delete and update the list , Will report UnsupportedOperationException abnormal .

For example, in ： String[] strs; Collection.sort(Arrays.asList(strs)); Ascending Collection.reverse(Arrays.asList(strs)); Descending order