Suppose the call obj1.compareTo(obj2) returns 0.What can definitely be concluded from the return value?
i.obj1 and obj2 are the same object
II.obj1 and obj2 objects cannot be compared
III.the properties of obj1 and obj2 that are being compared have equal values
A)II only
B)III only
C)I only
D)I and III only

Question

Quizplus · Accepted Answer

III is correct because a return value of 0 from compareTo() indicates that the objects are considered equal in terms of the ordering. This does not necessarily mean they are the same object (I is incorrect), nor does it indicate that they cannot be compared (II is incorrect), as the comparison has already been successfully made.

Suppose the Call Obj1