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|Core Java - Interview Questions and Answers for 'Equals vs compareto' - 1 question(s) found - Order By Newest|
|Ans. "equals" is the method of object class which is supposed to be overridden to check object equality. x.equals(y) means the references x and y are holding objects that are equal. |
The compareTo() method is used for comparing two objects in Java. It is usually defined for the classes whose objects needs to be ordered through Comparable interface or need to be part of an ordered collection like TreeSet or TreeMap.
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|Can we override compareTo method for Enumerations ?|
|How TreeMap orders the elements if the Key is a String ?|
|If we add Enum constants to a sorted collection ( Treemap , TreeSet ), What will be the order in which they will be maintained ?|
|If compareTo() method returns zero, does it mean that the objects are always equal?|