A(n) __________ allows a program to walk through the collection and remove elements from the collection.

Assuming a linked list of n nodes, the code fragment:

Node curr = head; while (curr != null) { System.out.println(curr.getItem()); curr.setNext(curr.getNext()); } // end while requires ______ assignments. a) n b) n – 1 c) n + 1 d) 1

Case-Based Critical Thinking QuestionsCase 7-1Robert is a medical writer for a pharmaceutical company. The company allows Robert to work from home. Robert's job is a(n) ____ job.

A. telemarketing B. telecommuting C. videoconferencing D. e-working