java.lang.ClassCastException

Employee cannot be cast to java.lang.Comparable

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Solutions on the web19013

  • Employee cannot be cast to java.lang.Comparable
  • Employee cannot be cast to java.lang.Comparable
  • Employee cannot be cast to java.lang.Comparable
  • Stack trace

    • java.lang.ClassCastException: Employee cannot be cast to java.lang.Comparable at java.util.TreeMap.put(Unknown Source) at java.util.TreeSet.add(Unknown Source) at Format.main(Format.java:31)

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