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via Stack Overflow by roger_that
, 1 year ago
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, 1 year ago
java.lang.NullPointerException: 	at java.util.TimSort.countRunAndMakeAscending(TimSort.java:351)	at java.util.TimSort.sort(TimSort.java:230)	at java.util.Arrays.sort(Arrays.java:1512)	at java.util.ArrayList.sort(ArrayList.java:1454)	at java.util.Collections.sort(Collections.java:175)