Question 1 (Mandatory) (1 point) The Big O when adding one element to an unsorted Array or ArrayList when the current size of the array is less than the max size is: Of A) Question 2 (Mandatory) (1 point) The Big O when adding one element to an unsorted Array or ArrayList when the current size of the array is equal to the max size is: OC A) Question 3 (Mandatory) (1 point) The Big O when adding one element to a sorted Array or ArrayList when the current size of the array is less than the max size is: OC A Question 4 (Mandatory) (1 point) The Big O when removing the first element from an Array or ArrayList: Ol | A)