java.lang.ClassCastException: cannot be cast to java.lang.Comparable


Core Java


Asked on May 28, 2013
Hi All,

Need help for below error.

Exception in thread "main" java.lang.ClassCastException: cannot be cast to java.lang.Comparable
at java.util.Collections$ReverseComparator.compare(Unknown Source)
at java.util.Arrays.mergeSort(Unknown Source)
at java.util.Arrays.sort(Unknown Source)



Replied on May 28, 2013
The class which object is being created need to implement Comparable interface and override compareTo method.

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