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via ideone.com by Unknown author, 1 year ago
java.lang.StringBuilder cannot be cast to java.lang.Comparable
via ideone.com by Unknown author, 1 year ago
java.lang.StringBuilder cannot be cast to java.lang.Comparable
java.lang.ClassCastException: java.lang.StringBuilder cannot be cast to java.lang.Comparable	at java.util.Collections$ReverseComparator.compare(Collections.java:5108)	at java.util.TimSort.countRunAndMakeAscending(TimSort.java:351)	at java.util.TimSort.sort(TimSort.java:216)	at java.util.Arrays.sort(Arrays.java:1512)	at java.util.ArrayList.sort(ArrayList.java:1454)	at java.util.Collections.sort(Collections.java:175)	at WhatISThis.main(Main.java:10)