Math 140 Pseudo-Code for HW3 public add(E item) method if contains(item) returns false then add the item and return true. Otherwise, return false public less(E target, E element) If target is null and element is null return false If target is null and element is not null return true If target is not null and element is null return false Otherwise, return target.compareTo(element) lessThan(E item)- Declare a tmp variable of type Set and assign it null: Set tmp null; If size #0 Assign memory to tmp: tmp new Set Iterator through the set and add any items in the Nodes that are less than the specified item Return tmp