u updateHours (int moreHours) I hours moreHours: 19. In a UML diagram for a class: a) classes are represented as rectangles, b) there may be a section containing the name of the class c) there may be a section containing the attributes (data) of the class d) there may be a section containing the methods of the class e) all of the above 20. In Java, "instantiation" means a) b) c) d) e) Launching a method None of the above Noticing the first time something is used Creating a new object Creating a new alias to an existing object 21. Write a method called threeOfAKind that takes in three-integer parameters and returns true if all three of them are the same, false otherwise. (8 pts) 22. Write a for loop to that will generate this output (5 pts) 0 5 10 15 20 25 30 35 40 45 50