java.lang.ClassCastException: This exception has no message.

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via Coderanch by Ian Cockcroft, 1 year ago
This exception has no message.
java.lang.ClassCastException:
at java.lang.String.compareTo(String.java:777)
at undefined.Alpha.compareTo(Alpha.java:40)
at java.util.Arrays.mergeSort(Arrays.java:1152)
at java.util.Arrays.mergeSort(Arrays.java:1163)
at java.util.Arrays.sort(Arrays.java:1079)

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