If I implement
java.lang.Comparable for a class, do I still have to override the
equals() method? Or will the
Comparable work for
equals as well?
If the answer is no, then what if some discrepancy arises? Let’s say the way I term two objects as equal within the
equals() method is different from the way I term two objects of the same class as equal within the
compareTo() of the
Moreover, if I implement
Comparable, do I also have to override
While it is recommended (and pretty sensible) that having
a.compareTo(b) == 0 imply that
a.equals(b) (and visa versa), it is not required.
Comparable is intended to be used when performing an ordering on a series of objects, whereas
equals() just tests for straight equality.
This link has some good information on implementing