Record Case Detail

This function is in beta test. Please help improve it in the issues here.

Exception in thread "main" java.lang.NullPointerException
	at com.ve472.l1.Hall.compareTo(Hall.java:103)
	at com.ve472.l1.Hall.compareTo(Hall.java:9)
	at java.base/java.util.ComparableTimSort.countRunAndMakeAscending(ComparableTimSort.java:320)
	at java.base/java.util.ComparableTimSort.sort(ComparableTimSort.java:188)
	at java.base/java.util.Arrays.sort(Arrays.java:1315)
	at java.base/java.util.Arrays.sort(Arrays.java:1509)
	at java.base/java.util.ArrayList.sort(ArrayList.java:1750)
	at java.base/java.util.Collections.sort(Collections.java:145)
	at com.ve472.l1.Cinema.<init>(Cinema.java:25)
	at com.ve472.l1.Main.main(Main.java:25)

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

hall1.txt Not found. 
hall3.txt Not found. 
hall0.txt Not found.

Notes

Stderr

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Your Answer

JOJ Answer