Universal Containers uses a custom object within the product development team. Product development, executives, and System Administrators should be the only users with access to records of this object. Product development needs read/write access to all the records within the object, while the executives should only be able to view the records. How can the System Administrator configure the security model to meet these requirements

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.

Write the html code to make a link out of the text “all about puppies”. it should link to a pdf called “puppies.pdf” inside the “documents” folder. the pdf should open in a new window.

The narrative structure of the popular movies can be broken down into