What is an example of an obstacle in a game? rescuing Princess Peach from Bowser in Mario
using the W, A,S, D keys to move your character
a series of grinding gears that the player has to make it through alive
achieving a high score in Pac-Man

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.

Which component acts as a platform on which application software runs

Q14 what is most important for you to choose before you build a network? a. private network b. nos c. network media d. network protocol e. directory service