new ArrayList<>(); numbers.add(1); numbers.add(2); Set<String> cities = new HashSet<>(); cities.add(“New York”); cities.add(“Boston”); Map<String, Integer> numbersMap = new HashMap<>(); numbersMap.put(“One”,1); After: List<Integer> numbers = List.of(1,2,3); Set<String> cities = Set.of(“New York”, “Boston”); Map<String, Integer> mapOfIntegers = Map.of(“One”,1,”Two”,2); 14