(ArrayList of Character) Write a method that returns an array list of Charac- ter from a string using the following header: public static ArrayList toCharacterArray(String s) For example, toCharacterArray("abc") returns an array list that contains characters 'a'. 'b', and 'c'.

1a) Which of the following classes are Immutable: Integer, Short, Byte, String, Boolean, Float, Character, BigInteger, StringBuilder, StringBuffer?   1b) Can you sort an array of Strings, Dates and Integers using the same method? If so, provide an example

in c++

python: numpy  def coupons(my_list, on_sale, prices):    '''    QUESTION 5    It's the time of week to go grocery shopping again!    Given three arrays, one of what's on sale, one of your own list, and one of the prices, return an array of the items on your list that are    on sale and more than five dollars. You have MORE coupons than you have groceries on your list- make sure to only use the coupons    that correspond to your list.     THIS MUST BE DONE IN ONE LINE    Hint: use masking and slicing     Args:        my_list(np.array)        on_sale(np.array)        prices(np.array)     Return:        np.array     >>> my_list = np.array(["eggs", "2% milk", "green onions", "whole wheat bread",                            "onions", "spinach", "peanut butter", "boxed spaghetti",                            "salt and vinegar chips", "alfredo sauce"])    >>> on_sale = np.array([True, False, True, True, True, True, False, False, False, True, False, True, False])…