A military contractor has been asked to produce a new all-terrain tablet PC which will be used by the armed forces when out in combat situations. Cost is not an option, lives could well depend on how reliable this tablet PC is under extreme conditions

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 task uses a simple parameter?

Does anybody know how to hack into a google account? i had important information on it and it is gone now and i need getting it back.