ArrayList; import java.util.Collections; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner ... ... <看更多>
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ArrayList; import java.util.Collections; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner ... ... <看更多>
I see some things that may help you improve your code. Make sure all control paths return. Within your implementation of next() , what happens if hasNext() ... ... <看更多>
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