Multiple Choice
Suppose a developer gets class XYZ files and documentation from a subcontractor.This class does not implement the Comparable interface.What must be true in order for the developer to sort an array of XYZ objects without modifying the XYZ class?
A) The XYZ class must implement the Sortable interface.
B) XYZ objects must be randomly distributed.
C) XYZ objects must be ordered.
D) The developer must supply a comparator object belonging to a class that implements the Comparator<XYZ> interface.
Correct Answer:

Verified
Correct Answer:
Verified
Q56: The method findLargest examines the elements of
Q57: Consider the sort method shown below for
Q58: In big-Oh notation, when we consider the
Q59: The merge sort algorithm presented in section
Q60: A version of which sort algorithm is
Q62: The code segment below prints some of
Q63: Consider the swap method shown below from
Q64: Given the following code snippet for searching
Q65: In each iteration, selection sort places which
Q66: Selection sort has O(n<sup>2</sup>) complexity.If a computer