java.lang.ClassCastException: corejava.compare.Employee cannot be cast to java.lang.Comparable

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via howtodoinjava.com by Unknown author, 1 year ago
corejava.compare.Employee cannot be cast to java.lang.Comparable
via howtodoinjava.com by Unknown author, 2 years ago
corejava.compare.Employee cannot be cast to java.lang.Comparable
via Stack Overflow by user472221
, 2 years ago
OBST.Element cannot be cast to java.lang.Comparable
via Stack Overflow by eagertoLearn
, 2 years ago
java.lang.StringBuffer cannot be cast to java.lang.Comparable
via Oracle Community by 807601, 3 months ago
DeliveryHouseDetails cannot be cast to java.lang.Comparable
via coderanch.com by Unknown author, 1 year ago
java.lang.ClassCastException: corejava.compare.Employee cannot be cast to java.lang.Comparable
at java.util.TreeMap.put(Unknown Source)
at java.util.TreeSet.add(Unknown Source)
at corejava.compare.SortedSetTest.main(SortedSetTest.java:17)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.