题解 | #明明的随机数#
明明的随机数
https://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
import java.util.Scanner; import java.util.ArrayList; import java.util.List; import java.util.Scanner; import java.util.stream.Collectors; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); // 注意 hasNext 和 hasNextLine 的区别 int n = in.nextInt(); ArrayList<Integer> arrayList = new ArrayList<>(); for (int i = 0; i < n; i++) { arrayList.add(in.nextInt()); } List<Integer> collect = arrayList.stream().distinct().sorted().collect( Collectors.toList()); for (Integer integer : collect) { System.out.println(integer); } } }