Create a class called IntegerArrayHelper that has the following attributes: Note: addItem(Integer) will add an item to the list if it will fit. It will add the item to the first available spot removeItem(Integer) will remove the given item and move all items that appear after the removed one in the list up one spot. Leaving all null values at the end of the list. searchItem(Integer) will return true if that given string exists within the list and false if it does not. sortArray() will use a selection sort to sort the list and return true if the list is sorted. getSize() will return the total number of items that are currently in the array. getCapacity() returns the total number of items that the array could possibly hold. .