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 Coderanch by Laythe Chamse, 1 year ago
MyOwnClass 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 Joshua, 1 year ago
Tree cannot be cast to java.lang.Comparable
via Stack Overflow by Khal
, 2 years ago
helloworld.Student cannot be cast to java.lang.Comparable
via csdn.net by Unknown author, 2 years ago
collection.Dog cannot be cast to java.lang.Comparable
java.lang.ClassCastException: MyOwnClass cannot be cast to java.lang.Comparable at java.util.TreeMap.put(TreeMap.java:542) at java.util.TreeSet.add(TreeSet.java:238) at MyTreeSet.main(MyTreeSet.java:21)