题解 | #字符串排序# next和nextLine的区别

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Scanner;

// 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);
        int num = in.nextInt();
        List<String> list = new ArrayList<>();

        for(int i =0;i<num;i++){
           String s = in.next();//不能用nextLine next和nextLine的区别
           list.add(s);
        }

        Collections.sort(list, new Comparator<String>() {
            @Override
            public int compare(String o1, String o2) {
                return o1.compareTo(o2);
            }
        });

        list.forEach(s->{
            System.out.println(s);
        });
    }
}