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via Stack Overflow by Tai
, 1 year ago
java.util.HashSet cannot be cast to java.lang.Comparable
via Google Groups by Udaranga , 5 months ago
[Ljava.lang.Object; cannot be cast to java.lang.Comparable
via y3x.ru by Unknown author, 2 years ago
Box cannot be cast to java.lang.Comparable
via Stack Overflow by sbala_20
, 2 years ago
com.java.split.Node cannot be cast to java.lang.Comparable
via Stack Overflow by manos
, 2 years ago
exercise.pkg4.patienthuman cannot be cast to java.lang.Comparable
java.lang.ClassCastException: java.util.HashSet cannot be cast to java.lang.Comparable	at java.util.PriorityQueue.siftUpComparable(PriorityQueue.java:652)	at java.util.PriorityQueue.siftUp(PriorityQueue.java:647)	at java.util.PriorityQueue.offer(PriorityQueue.java:344)	at java.util.PriorityQueue.add(PriorityQueue.java:321)	at attempt1.PQTest.main(PQTest.java:11)