Math 140 Programming Assignment2 5. String getint index)-If index = size then throw an IndexOutOfBoundsException. Otherwise, return the String object stored at position index. 6. int size() - return the value of size 7. String toString() - returns a String representation of the list. Example: suppose the array contains the values "xyz", "cat", and "ABC". The toString method returns the String f"xyz", "cat"', "ABC"). If the list is empty return the String 0. "ABC"). If the list is empty return the String 8. StringArrayList containsPrefix(String pre) - returns a StringArrayList object that starts with the String stored in pre