4.15 lab: mad lib - loops mad libs are activities that have a person provide various words, which are then used to complete a short story in unexpected (and hopefully funny) ways. write a program that takes a string and integer as input, and outputs a sentence using those items as below. the program repeats until the input is quit 0. ex: if the input is: apples 5 shoes 2 quit 0 the output is: eating 5 apples a day keeps the doctor away. eating 2 shoes a day keeps the doctor away.

Idon understand these and need some ! ?

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.

Helen's credit card has an apr of 15.32% and a grace period of 17 days and helen pays her balance in the full every month. if her last billing cycle ended on september 26, 2009, and she made her payment on october 11, 2009, did she owe any interest on her last statement's balance?