Suppose you wish to sort an array list of objects, but the object class does not implement the Comparable interface. Because you are not allowed to modify this class, you decide to provide a comparator object that implements the Comparator interface. Which method must you implement from this interface to achieve your objective?
A) the sort method.
B) the compare method.
C) the compareTo method.
D) the compareObject method.

Question

Quizplus · Accepted Answer

The Comparator interface requires the implementation of the compare method to define the order of objects.

Suppose You Wish to Sort an Array List of Objects