An isEmpty method you write to test whether a linked list is empty is called a __________ method.
A) predefined.
B) predicate.
C) preemption.
D) preorder.

Question

Quizplus · Accepted Answer

A predicate method is a method that returns a boolean value (true or false) based on a condition. In this case, the condition is whether the linked list is empty or not, and the boolean value returned will be true if the list is empty and false if it is not. Therefore, the isEmpty method fits the description of a predicate method. Predefined methods are already built-in to a programming language, preemption refers to the act of interrupting a process, and preorder refers to a traversal method for trees.

An IsEmpty Method You Write to Test Whether a Linked