__________ operators are used to determine whether a specific relationship exists between two values.

Which of the following is a UC application?

A. Softphone B. Intranet C. Proxy D. Facsimile

If a linked list is empty, the statement head.getNext() will throw a(n) ______.

a) IllegalAccessException b) ArithmeticException c) IndexOutOfBoundsException d) NullPointerException